Home / 83,919.27-125,878.10-39,521.73

Finding the Fourth Proportional to 83,919.27, 125,878.10 and 39,521.73

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Solution

The fourth proportional to 83,919.27, 125,878.10 and 39,521.73 is: 59,282.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,919.27 : 125,878.10 = 39,521.73 : x
  2. Step 2: Convert to fraction form
    83,919.27/125,878.10 = 39,521.73/x
  3. Step 3: Cross multiply
    83,919.27x = 125,878.10 × 39,521.73
  4. Step 4: Simplify right side
    83,919.27x = 4,974,920,083.50
  5. Step 5: Solve for x
    x = 4,974,920,083.50/83,919.27
  6. Step 6: Final answer
    x = 59,282.21

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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.