Home / 73,189.14-101,001.09-39,654.90

Finding the Fourth Proportional to 73,189.14, 101,001.09 and 39,654.90

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Solution

The fourth proportional to 73,189.14, 101,001.09 and 39,654.90 is: 54,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,189.14 : 101,001.09 = 39,654.90 : x
  2. Step 2: Convert to fraction form
    73,189.14/101,001.09 = 39,654.90/x
  3. Step 3: Cross multiply
    73,189.14x = 101,001.09 × 39,654.90
  4. Step 4: Simplify right side
    73,189.14x = 4,005,188,123.84
  5. Step 5: Solve for x
    x = 4,005,188,123.84/73,189.14
  6. Step 6: Final answer
    x = 54,723.80

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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.