Home / 56,008.96-77,186.07-40,065.76

Finding the Fourth Proportional to 56,008.96, 77,186.07 and 40,065.76

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Solution

The fourth proportional to 56,008.96, 77,186.07 and 40,065.76 is: 55,214.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,008.96 : 77,186.07 = 40,065.76 : x
  2. Step 2: Convert to fraction form
    56,008.96/77,186.07 = 40,065.76/x
  3. Step 3: Cross multiply
    56,008.96x = 77,186.07 × 40,065.76
  4. Step 4: Simplify right side
    56,008.96x = 3,092,518,555.96
  5. Step 5: Solve for x
    x = 3,092,518,555.96/56,008.96
  6. Step 6: Final answer
    x = 55,214.71

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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.