Home / 92,421.19-138,632.88-32,451.18

Finding the Fourth Proportional to 92,421.19, 138,632.88 and 32,451.18

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Solution

The fourth proportional to 92,421.19, 138,632.88 and 32,451.18 is: 48,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,421.19 : 138,632.88 = 32,451.18 : x
  2. Step 2: Convert to fraction form
    92,421.19/138,632.88 = 32,451.18/x
  3. Step 3: Cross multiply
    92,421.19x = 138,632.88 × 32,451.18
  4. Step 4: Simplify right side
    92,421.19x = 4,498,800,542.80
  5. Step 5: Solve for x
    x = 4,498,800,542.80/92,421.19
  6. Step 6: Final answer
    x = 48,677.15

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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.