Home / 91,372.56-126,115.20-59,485.92

Finding the Fourth Proportional to 91,372.56, 126,115.20 and 59,485.92

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Solution

The fourth proportional to 91,372.56, 126,115.20 and 59,485.92 is: 82,104.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,372.56 : 126,115.20 = 59,485.92 : x
  2. Step 2: Convert to fraction form
    91,372.56/126,115.20 = 59,485.92/x
  3. Step 3: Cross multiply
    91,372.56x = 126,115.20 × 59,485.92
  4. Step 4: Simplify right side
    91,372.56x = 7,502,078,697.98
  5. Step 5: Solve for x
    x = 7,502,078,697.98/91,372.56
  6. Step 6: Final answer
    x = 82,104.28

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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.