Home / 83,449.50-124,716.11-61,007.43

Finding the Fourth Proportional to 83,449.50, 124,716.11 and 61,007.43

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Solution

The fourth proportional to 83,449.50, 124,716.11 and 61,007.43 is: 91,176.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,449.50 : 124,716.11 = 61,007.43 : x
  2. Step 2: Convert to fraction form
    83,449.50/124,716.11 = 61,007.43/x
  3. Step 3: Cross multiply
    83,449.50x = 124,716.11 × 61,007.43
  4. Step 4: Simplify right side
    83,449.50x = 7,608,609,045.66
  5. Step 5: Solve for x
    x = 7,608,609,045.66/83,449.50
  6. Step 6: Final answer
    x = 91,176.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.