Home / 96,905.70-133,691.88-71,473.11

Finding the Fourth Proportional to 96,905.70, 133,691.88 and 71,473.11

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Solution

The fourth proportional to 96,905.70, 133,691.88 and 71,473.11 is: 98,604.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,905.70 : 133,691.88 = 71,473.11 : x
  2. Step 2: Convert to fraction form
    96,905.70/133,691.88 = 71,473.11/x
  3. Step 3: Cross multiply
    96,905.70x = 133,691.88 × 71,473.11
  4. Step 4: Simplify right side
    96,905.70x = 9,555,374,445.35
  5. Step 5: Solve for x
    x = 9,555,374,445.35/96,905.70
  6. Step 6: Final answer
    x = 98,604.88

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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.