Home / 83,077.60-124,616.40-60,770.20

Finding the Fourth Proportional to 83,077.60, 124,616.40 and 60,770.20

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Solution

The fourth proportional to 83,077.60, 124,616.40 and 60,770.20 is: 91,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,077.60 : 124,616.40 = 60,770.20 : x
  2. Step 2: Convert to fraction form
    83,077.60/124,616.40 = 60,770.20/x
  3. Step 3: Cross multiply
    83,077.60x = 124,616.40 × 60,770.20
  4. Step 4: Simplify right side
    83,077.60x = 7,572,963,551.28
  5. Step 5: Solve for x
    x = 7,572,963,551.28/83,077.60
  6. Step 6: Final answer
    x = 91,155.30

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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.