Home / 91,770.13-137,638.72-24,302.59

Finding the Fourth Proportional to 91,770.13, 137,638.72 and 24,302.59

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Solution

The fourth proportional to 91,770.13, 137,638.72 and 24,302.59 is: 36,449.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,770.13 : 137,638.72 = 24,302.59 : x
  2. Step 2: Convert to fraction form
    91,770.13/137,638.72 = 24,302.59/x
  3. Step 3: Cross multiply
    91,770.13x = 137,638.72 × 24,302.59
  4. Step 4: Simplify right side
    91,770.13x = 3,344,977,380.28
  5. Step 5: Solve for x
    x = 3,344,977,380.28/91,770.13
  6. Step 6: Final answer
    x = 36,449.52

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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.