Home / 90,449.97-124,800.85-52,201.42

Finding the Fourth Proportional to 90,449.97, 124,800.85 and 52,201.42

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Solution

The fourth proportional to 90,449.97, 124,800.85 and 52,201.42 is: 72,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,449.97 : 124,800.85 = 52,201.42 : x
  2. Step 2: Convert to fraction form
    90,449.97/124,800.85 = 52,201.42/x
  3. Step 3: Cross multiply
    90,449.97x = 124,800.85 × 52,201.42
  4. Step 4: Simplify right side
    90,449.97x = 6,514,781,144.70
  5. Step 5: Solve for x
    x = 6,514,781,144.70/90,449.97
  6. Step 6: Final answer
    x = 72,026.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.