Home / 76,961.40-115,454.25-32,588.43

Finding the Fourth Proportional to 76,961.40, 115,454.25 and 32,588.43

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Solution

The fourth proportional to 76,961.40, 115,454.25 and 32,588.43 is: 48,887.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,961.40 : 115,454.25 = 32,588.43 : x
  2. Step 2: Convert to fraction form
    76,961.40/115,454.25 = 32,588.43/x
  3. Step 3: Cross multiply
    76,961.40x = 115,454.25 × 32,588.43
  4. Step 4: Simplify right side
    76,961.40x = 3,762,472,744.33
  5. Step 5: Solve for x
    x = 3,762,472,744.33/76,961.40
  6. Step 6: Final answer
    x = 48,887.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.