Home / 54,934.70-75,807.77-31,061.87

Finding the Fourth Proportional to 54,934.70, 75,807.77 and 31,061.87

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Solution

The fourth proportional to 54,934.70, 75,807.77 and 31,061.87 is: 42,864.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,934.70 : 75,807.77 = 31,061.87 : x
  2. Step 2: Convert to fraction form
    54,934.70/75,807.77 = 31,061.87/x
  3. Step 3: Cross multiply
    54,934.70x = 75,807.77 × 31,061.87
  4. Step 4: Simplify right side
    54,934.70x = 2,354,730,562.38
  5. Step 5: Solve for x
    x = 2,354,730,562.38/54,934.70
  6. Step 6: Final answer
    x = 42,864.18

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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.