Home / 83,611.49-125,436.39-36,234.53

Finding the Fourth Proportional to 83,611.49, 125,436.39 and 36,234.53

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Solution

The fourth proportional to 83,611.49, 125,436.39 and 36,234.53 is: 54,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,611.49 : 125,436.39 = 36,234.53 : x
  2. Step 2: Convert to fraction form
    83,611.49/125,436.39 = 36,234.53/x
  3. Step 3: Cross multiply
    83,611.49x = 125,436.39 × 36,234.53
  4. Step 4: Simplify right side
    83,611.49x = 4,545,129,028.54
  5. Step 5: Solve for x
    x = 4,545,129,028.54/83,611.49
  6. Step 6: Final answer
    x = 54,360.10

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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.