Home / 54,929.92-75,807.54-31,059.28

Finding the Fourth Proportional to 54,929.92, 75,807.54 and 31,059.28

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Solution

The fourth proportional to 54,929.92, 75,807.54 and 31,059.28 is: 42,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,929.92 : 75,807.54 = 31,059.28 : x
  2. Step 2: Convert to fraction form
    54,929.92/75,807.54 = 31,059.28/x
  3. Step 3: Cross multiply
    54,929.92x = 75,807.54 × 31,059.28
  4. Step 4: Simplify right side
    54,929.92x = 2,354,527,610.97
  5. Step 5: Solve for x
    x = 2,354,527,610.97/54,929.92
  6. Step 6: Final answer
    x = 42,864.21

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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.