Home / 77,724.28-116,602.92-25,129.76

Finding the Fourth Proportional to 77,724.28, 116,602.92 and 25,129.76

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Solution

The fourth proportional to 77,724.28, 116,602.92 and 25,129.76 is: 37,699.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,724.28 : 116,602.92 = 25,129.76 : x
  2. Step 2: Convert to fraction form
    77,724.28/116,602.92 = 25,129.76/x
  3. Step 3: Cross multiply
    77,724.28x = 116,602.92 × 25,129.76
  4. Step 4: Simplify right side
    77,724.28x = 2,930,203,394.90
  5. Step 5: Solve for x
    x = 2,930,203,394.90/77,724.28
  6. Step 6: Final answer
    x = 37,699.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.