Home / 56,046.08-77,186.13-54,821.36

Finding the Fourth Proportional to 56,046.08, 77,186.13 and 54,821.36

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Solution

The fourth proportional to 56,046.08, 77,186.13 and 54,821.36 is: 75,499.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,046.08 : 77,186.13 = 54,821.36 : x
  2. Step 2: Convert to fraction form
    56,046.08/77,186.13 = 54,821.36/x
  3. Step 3: Cross multiply
    56,046.08x = 77,186.13 × 54,821.36
  4. Step 4: Simplify right side
    56,046.08x = 4,231,448,619.74
  5. Step 5: Solve for x
    x = 4,231,448,619.74/56,046.08
  6. Step 6: Final answer
    x = 75,499.46

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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.