Home / 89,909.28-134,881.28-34,500.96

Finding the Fourth Proportional to 89,909.28, 134,881.28 and 34,500.96

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Solution

The fourth proportional to 89,909.28, 134,881.28 and 34,500.96 is: 51,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,909.28 : 134,881.28 = 34,500.96 : x
  2. Step 2: Convert to fraction form
    89,909.28/134,881.28 = 34,500.96/x
  3. Step 3: Cross multiply
    89,909.28x = 134,881.28 × 34,500.96
  4. Step 4: Simplify right side
    89,909.28x = 4,653,533,646.03
  5. Step 5: Solve for x
    x = 4,653,533,646.03/89,909.28
  6. Step 6: Final answer
    x = 51,758.10

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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.