Home / 83,494.88-124,946.66-51,919.80

Finding the Fourth Proportional to 83,494.88, 124,946.66 and 51,919.80

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Solution

The fourth proportional to 83,494.88, 124,946.66 and 51,919.80 is: 77,695.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,494.88 : 124,946.66 = 51,919.80 : x
  2. Step 2: Convert to fraction form
    83,494.88/124,946.66 = 51,919.80/x
  3. Step 3: Cross multiply
    83,494.88x = 124,946.66 × 51,919.80
  4. Step 4: Simplify right side
    83,494.88x = 6,487,205,597.87
  5. Step 5: Solve for x
    x = 6,487,205,597.87/83,494.88
  6. Step 6: Final answer
    x = 77,695.85

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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.