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Finding the Fourth Proportional to 64,859.52, 97,252.56 and 38,580.96

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Solution

The fourth proportional to 64,859.52, 97,252.56 and 38,580.96 is: 57,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,859.52 : 97,252.56 = 38,580.96 : x
  2. Step 2: Convert to fraction form
    64,859.52/97,252.56 = 38,580.96/x
  3. Step 3: Cross multiply
    64,859.52x = 97,252.56 × 38,580.96
  4. Step 4: Simplify right side
    64,859.52x = 3,752,097,127.26
  5. Step 5: Solve for x
    x = 3,752,097,127.26/64,859.52
  6. Step 6: Final answer
    x = 57,849.60

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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.