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Finding the Fourth Proportional to 64,627.04, 96,904.11 and 25,138.96

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Solution

The fourth proportional to 64,627.04, 96,904.11 and 25,138.96 is: 37,694.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,627.04 : 96,904.11 = 25,138.96 : x
  2. Step 2: Convert to fraction form
    64,627.04/96,904.11 = 25,138.96/x
  3. Step 3: Cross multiply
    64,627.04x = 96,904.11 × 25,138.96
  4. Step 4: Simplify right side
    64,627.04x = 2,436,068,545.13
  5. Step 5: Solve for x
    x = 2,436,068,545.13/64,627.04
  6. Step 6: Final answer
    x = 37,694.26

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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.