Home / 89,961.12-134,948.16-34,557.12

Finding the Fourth Proportional to 89,961.12, 134,948.16 and 34,557.12

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Solution

The fourth proportional to 89,961.12, 134,948.16 and 34,557.12 is: 51,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,961.12 : 134,948.16 = 34,557.12 : x
  2. Step 2: Convert to fraction form
    89,961.12/134,948.16 = 34,557.12/x
  3. Step 3: Cross multiply
    89,961.12x = 134,948.16 × 34,557.12
  4. Step 4: Simplify right side
    89,961.12x = 4,663,419,758.90
  5. Step 5: Solve for x
    x = 4,663,419,758.90/89,961.12
  6. Step 6: Final answer
    x = 51,838.17

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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.