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Finding the Fourth Proportional to 96,898.56, 145,373.76 and 34,572.48

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Solution

The fourth proportional to 96,898.56, 145,373.76 and 34,572.48 is: 51,867.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,898.56 : 145,373.76 = 34,572.48 : x
  2. Step 2: Convert to fraction form
    96,898.56/145,373.76 = 34,572.48/x
  3. Step 3: Cross multiply
    96,898.56x = 145,373.76 × 34,572.48
  4. Step 4: Simplify right side
    96,898.56x = 5,025,931,410.12
  5. Step 5: Solve for x
    x = 5,025,931,410.12/96,898.56
  6. Step 6: Final answer
    x = 51,867.97

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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.