Home / 92,320.20-138,503.65-25,760.30

Finding the Fourth Proportional to 92,320.20, 138,503.65 and 25,760.30

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Solution

The fourth proportional to 92,320.20, 138,503.65 and 25,760.30 is: 38,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,320.20 : 138,503.65 = 25,760.30 : x
  2. Step 2: Convert to fraction form
    92,320.20/138,503.65 = 25,760.30/x
  3. Step 3: Cross multiply
    92,320.20x = 138,503.65 × 25,760.30
  4. Step 4: Simplify right side
    92,320.20x = 3,567,895,575.10
  5. Step 5: Solve for x
    x = 3,567,895,575.10/92,320.20
  6. Step 6: Final answer
    x = 38,646.97

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1.5x scale

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.