Home / 83,490.78-125,255.37-27,332.70

Finding the Fourth Proportional to 83,490.78, 125,255.37 and 27,332.70

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Solution

The fourth proportional to 83,490.78, 125,255.37 and 27,332.70 is: 41,005.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,490.78 : 125,255.37 = 27,332.70 : x
  2. Step 2: Convert to fraction form
    83,490.78/125,255.37 = 27,332.70/x
  3. Step 3: Cross multiply
    83,490.78x = 125,255.37 × 27,332.70
  4. Step 4: Simplify right side
    83,490.78x = 3,423,567,451.60
  5. Step 5: Solve for x
    x = 3,423,567,451.60/83,490.78
  6. Step 6: Final answer
    x = 41,005.34

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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.