Home / 83,913.12-125,839.44-28,496.16

Finding the Fourth Proportional to 83,913.12, 125,839.44 and 28,496.16

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Solution

The fourth proportional to 83,913.12, 125,839.44 and 28,496.16 is: 42,733.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,913.12 : 125,839.44 = 28,496.16 : x
  2. Step 2: Convert to fraction form
    83,913.12/125,839.44 = 28,496.16/x
  3. Step 3: Cross multiply
    83,913.12x = 125,839.44 × 28,496.16
  4. Step 4: Simplify right side
    83,913.12x = 3,585,940,816.55
  5. Step 5: Solve for x
    x = 3,585,940,816.55/83,913.12
  6. Step 6: Final answer
    x = 42,733.97

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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.