Home / 90,244.31-124,498.05-54,414.41

Finding the Fourth Proportional to 90,244.31, 124,498.05 and 54,414.41

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Solution

The fourth proportional to 90,244.31, 124,498.05 and 54,414.41 is: 75,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,244.31 : 124,498.05 = 54,414.41 : x
  2. Step 2: Convert to fraction form
    90,244.31/124,498.05 = 54,414.41/x
  3. Step 3: Cross multiply
    90,244.31x = 124,498.05 × 54,414.41
  4. Step 4: Simplify right side
    90,244.31x = 6,774,488,170.33
  5. Step 5: Solve for x
    x = 6,774,488,170.33/90,244.31
  6. Step 6: Final answer
    x = 75,068.32

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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.