Home / 83,490.12-125,240.19-27,336.15

Finding the Fourth Proportional to 83,490.12, 125,240.19 and 27,336.15

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Solution

The fourth proportional to 83,490.12, 125,240.19 and 27,336.15 is: 41,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,490.12 : 125,240.19 = 27,336.15 : x
  2. Step 2: Convert to fraction form
    83,490.12/125,240.19 = 27,336.15/x
  3. Step 3: Cross multiply
    83,490.12x = 125,240.19 × 27,336.15
  4. Step 4: Simplify right side
    83,490.12x = 3,423,584,619.87
  5. Step 5: Solve for x
    x = 3,423,584,619.87/83,490.12
  6. Step 6: Final answer
    x = 41,005.87

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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.