Home / 89,507.85-123,521.72-49,221.89

Finding the Fourth Proportional to 89,507.85, 123,521.72 and 49,221.89

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Solution

The fourth proportional to 89,507.85, 123,521.72 and 49,221.89 is: 67,926.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,507.85 : 123,521.72 = 49,221.89 : x
  2. Step 2: Convert to fraction form
    89,507.85/123,521.72 = 49,221.89/x
  3. Step 3: Cross multiply
    89,507.85x = 123,521.72 × 49,221.89
  4. Step 4: Simplify right side
    89,507.85x = 6,079,971,650.73
  5. Step 5: Solve for x
    x = 6,079,971,650.73/89,507.85
  6. Step 6: Final answer
    x = 67,926.69

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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.