Home / 83,540.60-125,315.70-24,385.40

Finding the Fourth Proportional to 83,540.60, 125,315.70 and 24,385.40

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Solution

The fourth proportional to 83,540.60, 125,315.70 and 24,385.40 is: 36,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,540.60 : 125,315.70 = 24,385.40 : x
  2. Step 2: Convert to fraction form
    83,540.60/125,315.70 = 24,385.40/x
  3. Step 3: Cross multiply
    83,540.60x = 125,315.70 × 24,385.40
  4. Step 4: Simplify right side
    83,540.60x = 3,055,873,470.78
  5. Step 5: Solve for x
    x = 3,055,873,470.78/83,540.60
  6. Step 6: Final answer
    x = 36,579.50

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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.