Home / 83,727.87-115,543.98-45,487.11

Finding the Fourth Proportional to 83,727.87, 115,543.98 and 45,487.11

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Solution

The fourth proportional to 83,727.87, 115,543.98 and 45,487.11 is: 62,771.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,727.87 : 115,543.98 = 45,487.11 : x
  2. Step 2: Convert to fraction form
    83,727.87/115,543.98 = 45,487.11/x
  3. Step 3: Cross multiply
    83,727.87x = 115,543.98 × 45,487.11
  4. Step 4: Simplify right side
    83,727.87x = 5,255,761,728.10
  5. Step 5: Solve for x
    x = 5,255,761,728.10/83,727.87
  6. Step 6: Final answer
    x = 62,771.95

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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.