Home / 90,620.25-125,060.10-50,334.15

Finding the Fourth Proportional to 90,620.25, 125,060.10 and 50,334.15

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Solution

The fourth proportional to 90,620.25, 125,060.10 and 50,334.15 is: 69,463.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,620.25 : 125,060.10 = 50,334.15 : x
  2. Step 2: Convert to fraction form
    90,620.25/125,060.10 = 50,334.15/x
  3. Step 3: Cross multiply
    90,620.25x = 125,060.10 × 50,334.15
  4. Step 4: Simplify right side
    90,620.25x = 6,294,793,832.42
  5. Step 5: Solve for x
    x = 6,294,793,832.42/90,620.25
  6. Step 6: Final answer
    x = 69,463.43

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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.