Home / 92,002.28-138,003.44-29,672.80

Finding the Fourth Proportional to 92,002.28, 138,003.44 and 29,672.80

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Solution

The fourth proportional to 92,002.28, 138,003.44 and 29,672.80 is: 44,509.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,002.28 : 138,003.44 = 29,672.80 : x
  2. Step 2: Convert to fraction form
    92,002.28/138,003.44 = 29,672.80/x
  3. Step 3: Cross multiply
    92,002.28x = 138,003.44 × 29,672.80
  4. Step 4: Simplify right side
    92,002.28x = 4,094,948,474.43
  5. Step 5: Solve for x
    x = 4,094,948,474.43/92,002.28
  6. Step 6: Final answer
    x = 44,509.21

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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.