Home / 69,116.32-95,380.70-38,902.09

Finding the Fourth Proportional to 69,116.32, 95,380.70 and 38,902.09

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Solution

The fourth proportional to 69,116.32, 95,380.70 and 38,902.09 is: 53,684.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,116.32 : 95,380.70 = 38,902.09 : x
  2. Step 2: Convert to fraction form
    69,116.32/95,380.70 = 38,902.09/x
  3. Step 3: Cross multiply
    69,116.32x = 95,380.70 × 38,902.09
  4. Step 4: Simplify right side
    69,116.32x = 3,710,508,575.66
  5. Step 5: Solve for x
    x = 3,710,508,575.66/69,116.32
  6. Step 6: Final answer
    x = 53,684.98

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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.