Home / 69,115.82-95,380.01-38,901.59

Finding the Fourth Proportional to 69,115.82, 95,380.01 and 38,901.59

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Solution

The fourth proportional to 69,115.82, 95,380.01 and 38,901.59 is: 53,684.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,115.82 : 95,380.01 = 38,901.59 : x
  2. Step 2: Convert to fraction form
    69,115.82/95,380.01 = 38,901.59/x
  3. Step 3: Cross multiply
    69,115.82x = 95,380.01 × 38,901.59
  4. Step 4: Simplify right side
    69,115.82x = 3,710,433,848.71
  5. Step 5: Solve for x
    x = 3,710,433,848.71/69,115.82
  6. Step 6: Final answer
    x = 53,684.29

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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.