Home / 83,600.20-125,108.70-57,356.20

Finding the Fourth Proportional to 83,600.20, 125,108.70 and 57,356.20

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Solution

The fourth proportional to 83,600.20, 125,108.70 and 57,356.20 is: 85,834.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,600.20 : 125,108.70 = 57,356.20 : x
  2. Step 2: Convert to fraction form
    83,600.20/125,108.70 = 57,356.20/x
  3. Step 3: Cross multiply
    83,600.20x = 125,108.70 × 57,356.20
  4. Step 4: Simplify right side
    83,600.20x = 7,175,759,618.94
  5. Step 5: Solve for x
    x = 7,175,759,618.94/83,600.20
  6. Step 6: Final answer
    x = 85,834.24

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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.