Home / 89,657.21-123,725.14-49,371.73

Finding the Fourth Proportional to 89,657.21, 123,725.14 and 49,371.73

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Solution

The fourth proportional to 89,657.21, 123,725.14 and 49,371.73 is: 68,131.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,657.21 : 123,725.14 = 49,371.73 : x
  2. Step 2: Convert to fraction form
    89,657.21/123,725.14 = 49,371.73/x
  3. Step 3: Cross multiply
    89,657.21x = 123,725.14 × 49,371.73
  4. Step 4: Simplify right side
    89,657.21x = 6,108,523,773.55
  5. Step 5: Solve for x
    x = 6,108,523,773.55/89,657.21
  6. Step 6: Final answer
    x = 68,131.98

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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.