Home / 69,122.18-95,362.54-40,432.70

Finding the Fourth Proportional to 69,122.18, 95,362.54 and 40,432.70

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Solution

The fourth proportional to 69,122.18, 95,362.54 and 40,432.70 is: 55,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,122.18 : 95,362.54 = 40,432.70 : x
  2. Step 2: Convert to fraction form
    69,122.18/95,362.54 = 40,432.70/x
  3. Step 3: Cross multiply
    69,122.18x = 95,362.54 × 40,432.70
  4. Step 4: Simplify right side
    69,122.18x = 3,855,765,108.38
  5. Step 5: Solve for x
    x = 3,855,765,108.38/69,122.18
  6. Step 6: Final answer
    x = 55,781.88

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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.