Home / 91,522.98-126,304.11-51,236.55

Finding the Fourth Proportional to 91,522.98, 126,304.11 and 51,236.55

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Solution

The fourth proportional to 91,522.98, 126,304.11 and 51,236.55 is: 70,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,522.98 : 126,304.11 = 51,236.55 : x
  2. Step 2: Convert to fraction form
    91,522.98/126,304.11 = 51,236.55/x
  3. Step 3: Cross multiply
    91,522.98x = 126,304.11 × 51,236.55
  4. Step 4: Simplify right side
    91,522.98x = 6,471,386,847.22
  5. Step 5: Solve for x
    x = 6,471,386,847.22/91,522.98
  6. Step 6: Final answer
    x = 70,707.78

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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.