Home / 83,769.39-125,621.28-31,150.17

Finding the Fourth Proportional to 83,769.39, 125,621.28 and 31,150.17

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Solution

The fourth proportional to 83,769.39, 125,621.28 and 31,150.17 is: 46,713.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,769.39 : 125,621.28 = 31,150.17 : x
  2. Step 2: Convert to fraction form
    83,769.39/125,621.28 = 31,150.17/x
  3. Step 3: Cross multiply
    83,769.39x = 125,621.28 × 31,150.17
  4. Step 4: Simplify right side
    83,769.39x = 3,913,124,227.62
  5. Step 5: Solve for x
    x = 3,913,124,227.62/83,769.39
  6. Step 6: Final answer
    x = 46,713.06

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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.