Home / 67,191.44-92,728.02-38,515.88

Finding the Fourth Proportional to 67,191.44, 92,728.02 and 38,515.88

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Solution

The fourth proportional to 67,191.44, 92,728.02 and 38,515.88 is: 53,154.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,191.44 : 92,728.02 = 38,515.88 : x
  2. Step 2: Convert to fraction form
    67,191.44/92,728.02 = 38,515.88/x
  3. Step 3: Cross multiply
    67,191.44x = 92,728.02 × 38,515.88
  4. Step 4: Simplify right side
    67,191.44x = 3,571,501,290.96
  5. Step 5: Solve for x
    x = 3,571,501,290.96/67,191.44
  6. Step 6: Final answer
    x = 53,154.11

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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.