Home / 56,161.12-77,514.48-38,298.76

Finding the Fourth Proportional to 56,161.12, 77,514.48 and 38,298.76

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Solution

The fourth proportional to 56,161.12, 77,514.48 and 38,298.76 is: 52,860.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,161.12 : 77,514.48 = 38,298.76 : x
  2. Step 2: Convert to fraction form
    56,161.12/77,514.48 = 38,298.76/x
  3. Step 3: Cross multiply
    56,161.12x = 77,514.48 × 38,298.76
  4. Step 4: Simplify right side
    56,161.12x = 2,968,708,466.04
  5. Step 5: Solve for x
    x = 2,968,708,466.04/56,161.12
  6. Step 6: Final answer
    x = 52,860.56

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Half scale
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Double scale
Find fourth proportional to 56,162.12, 77,515.86 and 38,299.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.