Home / 80,578.59-111,205.07-51,957.83

Finding the Fourth Proportional to 80,578.59, 111,205.07 and 51,957.83

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Solution

The fourth proportional to 80,578.59, 111,205.07 and 51,957.83 is: 71,706.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,578.59 : 111,205.07 = 51,957.83 : x
  2. Step 2: Convert to fraction form
    80,578.59/111,205.07 = 51,957.83/x
  3. Step 3: Cross multiply
    80,578.59x = 111,205.07 × 51,957.83
  4. Step 4: Simplify right side
    80,578.59x = 5,777,974,335.26
  5. Step 5: Solve for x
    x = 5,777,974,335.26/80,578.59
  6. Step 6: Final answer
    x = 71,706.08

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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.