Home / 83,512.20-124,976.70-57,268.20

Finding the Fourth Proportional to 83,512.20, 124,976.70 and 57,268.20

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Solution

The fourth proportional to 83,512.20, 124,976.70 and 57,268.20 is: 85,702.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,512.20 : 124,976.70 = 57,268.20 : x
  2. Step 2: Convert to fraction form
    83,512.20/124,976.70 = 57,268.20/x
  3. Step 3: Cross multiply
    83,512.20x = 124,976.70 × 57,268.20
  4. Step 4: Simplify right side
    83,512.20x = 7,157,190,650.94
  5. Step 5: Solve for x
    x = 7,157,190,650.94/83,512.20
  6. Step 6: Final answer
    x = 85,702.34

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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.