Home / 90,480.64-124,863.60-50,195.20

Finding the Fourth Proportional to 90,480.64, 124,863.60 and 50,195.20

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Solution

The fourth proportional to 90,480.64, 124,863.60 and 50,195.20 is: 69,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,480.64 : 124,863.60 = 50,195.20 : x
  2. Step 2: Convert to fraction form
    90,480.64/124,863.60 = 50,195.20/x
  3. Step 3: Cross multiply
    90,480.64x = 124,863.60 × 50,195.20
  4. Step 4: Simplify right side
    90,480.64x = 6,267,553,374.72
  5. Step 5: Solve for x
    x = 6,267,553,374.72/90,480.64
  6. Step 6: Final answer
    x = 69,269.55

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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.