Home / 92,161.61-138,296.18-38,850.34

Finding the Fourth Proportional to 92,161.61, 138,296.18 and 38,850.34

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Solution

The fourth proportional to 92,161.61, 138,296.18 and 38,850.34 is: 58,298.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,161.61 : 138,296.18 = 38,850.34 : x
  2. Step 2: Convert to fraction form
    92,161.61/138,296.18 = 38,850.34/x
  3. Step 3: Cross multiply
    92,161.61x = 138,296.18 × 38,850.34
  4. Step 4: Simplify right side
    92,161.61x = 5,372,853,613.70
  5. Step 5: Solve for x
    x = 5,372,853,613.70/92,161.61
  6. Step 6: Final answer
    x = 58,298.17

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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.