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Finding the Fourth Proportional to 96,695.88, 133,446.20 and 64,374.72

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Solution

The fourth proportional to 96,695.88, 133,446.20 and 64,374.72 is: 88,841.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,695.88 : 133,446.20 = 64,374.72 : x
  2. Step 2: Convert to fraction form
    96,695.88/133,446.20 = 64,374.72/x
  3. Step 3: Cross multiply
    96,695.88x = 133,446.20 × 64,374.72
  4. Step 4: Simplify right side
    96,695.88x = 8,590,561,760.06
  5. Step 5: Solve for x
    x = 8,590,561,760.06/96,695.88
  6. Step 6: Final answer
    x = 88,841.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.