Home / 54,753.32-75,491.12-45,691.74

Finding the Fourth Proportional to 54,753.32, 75,491.12 and 45,691.74

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Solution

The fourth proportional to 54,753.32, 75,491.12 and 45,691.74 is: 62,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,753.32 : 75,491.12 = 45,691.74 : x
  2. Step 2: Convert to fraction form
    54,753.32/75,491.12 = 45,691.74/x
  3. Step 3: Cross multiply
    54,753.32x = 75,491.12 × 45,691.74
  4. Step 4: Simplify right side
    54,753.32x = 3,449,320,398.89
  5. Step 5: Solve for x
    x = 3,449,320,398.89/54,753.32
  6. Step 6: Final answer
    x = 62,997.47

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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.