Home / 101,849.12-152,781.88-38,699.48

Finding the Fourth Proportional to 101,849.12, 152,781.88 and 38,699.48

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Solution

The fourth proportional to 101,849.12, 152,781.88 and 38,699.48 is: 58,052.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,849.12 : 152,781.88 = 38,699.48 : x
  2. Step 2: Convert to fraction form
    101,849.12/152,781.88 = 38,699.48/x
  3. Step 3: Cross multiply
    101,849.12x = 152,781.88 × 38,699.48
  4. Step 4: Simplify right side
    101,849.12x = 5,912,579,309.42
  5. Step 5: Solve for x
    x = 5,912,579,309.42/101,849.12
  6. Step 6: Final answer
    x = 58,052.34

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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.