Home / 56,229.28-77,601.04-31,083.68

Finding the Fourth Proportional to 56,229.28, 77,601.04 and 31,083.68

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Solution

The fourth proportional to 56,229.28, 77,601.04 and 31,083.68 is: 42,898.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,229.28 : 77,601.04 = 31,083.68 : x
  2. Step 2: Convert to fraction form
    56,229.28/77,601.04 = 31,083.68/x
  3. Step 3: Cross multiply
    56,229.28x = 77,601.04 × 31,083.68
  4. Step 4: Simplify right side
    56,229.28x = 2,412,125,895.03
  5. Step 5: Solve for x
    x = 2,412,125,895.03/56,229.28
  6. Step 6: Final answer
    x = 42,898.04

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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.