Home / 83,432.67-115,136.13-45,191.49

Finding the Fourth Proportional to 83,432.67, 115,136.13 and 45,191.49

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Solution

The fourth proportional to 83,432.67, 115,136.13 and 45,191.49 is: 62,363.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,432.67 : 115,136.13 = 45,191.49 : x
  2. Step 2: Convert to fraction form
    83,432.67/115,136.13 = 45,191.49/x
  3. Step 3: Cross multiply
    83,432.67x = 115,136.13 × 45,191.49
  4. Step 4: Simplify right side
    83,432.67x = 5,203,173,267.53
  5. Step 5: Solve for x
    x = 5,203,173,267.53/83,432.67
  6. Step 6: Final answer
    x = 62,363.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.