Home / 71,677.41-107,349.26-69,185.85

Finding the Fourth Proportional to 71,677.41, 107,349.26 and 69,185.85

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Solution

The fourth proportional to 71,677.41, 107,349.26 and 69,185.85 is: 103,617.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,677.41 : 107,349.26 = 69,185.85 : x
  2. Step 2: Convert to fraction form
    71,677.41/107,349.26 = 69,185.85/x
  3. Step 3: Cross multiply
    71,677.41x = 107,349.26 × 69,185.85
  4. Step 4: Simplify right side
    71,677.41x = 7,427,049,454.04
  5. Step 5: Solve for x
    x = 7,427,049,454.04/71,677.41
  6. Step 6: Final answer
    x = 103,617.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.