Home / 90,734.43-125,213.40-50,446.92

Finding the Fourth Proportional to 90,734.43, 125,213.40 and 50,446.92

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Solution

The fourth proportional to 90,734.43, 125,213.40 and 50,446.92 is: 69,616.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,734.43 : 125,213.40 = 50,446.92 : x
  2. Step 2: Convert to fraction form
    90,734.43/125,213.40 = 50,446.92/x
  3. Step 3: Cross multiply
    90,734.43x = 125,213.40 × 50,446.92
  4. Step 4: Simplify right side
    90,734.43x = 6,316,630,372.73
  5. Step 5: Solve for x
    x = 6,316,630,372.73/90,734.43
  6. Step 6: Final answer
    x = 69,616.69

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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.