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Finding the Fourth Proportional to 64,078.56, 96,117.84 and 24,654.24

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Solution

The fourth proportional to 64,078.56, 96,117.84 and 24,654.24 is: 36,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,078.56 : 96,117.84 = 24,654.24 : x
  2. Step 2: Convert to fraction form
    64,078.56/96,117.84 = 24,654.24/x
  3. Step 3: Cross multiply
    64,078.56x = 96,117.84 × 24,654.24
  4. Step 4: Simplify right side
    64,078.56x = 2,369,712,295.64
  5. Step 5: Solve for x
    x = 2,369,712,295.64/64,078.56
  6. Step 6: Final answer
    x = 36,981.36

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1.5x scale

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.