Home / 96,909.68-133,742.40-59,191.04

Finding the Fourth Proportional to 96,909.68, 133,742.40 and 59,191.04

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Solution

The fourth proportional to 96,909.68, 133,742.40 and 59,191.04 is: 81,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,909.68 : 133,742.40 = 59,191.04 : x
  2. Step 2: Convert to fraction form
    96,909.68/133,742.40 = 59,191.04/x
  3. Step 3: Cross multiply
    96,909.68x = 133,742.40 × 59,191.04
  4. Step 4: Simplify right side
    96,909.68x = 7,916,351,748.10
  5. Step 5: Solve for x
    x = 7,916,351,748.10/96,909.68
  6. Step 6: Final answer
    x = 81,687.94

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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.