Home / 89,474.40-134,242.92-39,547.92

Finding the Fourth Proportional to 89,474.40, 134,242.92 and 39,547.92

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Solution

The fourth proportional to 89,474.40, 134,242.92 and 39,547.92 is: 59,335.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,474.40 : 134,242.92 = 39,547.92 : x
  2. Step 2: Convert to fraction form
    89,474.40/134,242.92 = 39,547.92/x
  3. Step 3: Cross multiply
    89,474.40x = 134,242.92 × 39,547.92
  4. Step 4: Simplify right side
    89,474.40x = 5,309,028,260.73
  5. Step 5: Solve for x
    x = 5,309,028,260.73/89,474.40
  6. Step 6: Final answer
    x = 59,335.72

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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.