Home / 87,348.70-131,050.73-31,187.58

Finding the Fourth Proportional to 87,348.70, 131,050.73 and 31,187.58

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Solution

The fourth proportional to 87,348.70, 131,050.73 and 31,187.58 is: 46,791.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,348.70 : 131,050.73 = 31,187.58 : x
  2. Step 2: Convert to fraction form
    87,348.70/131,050.73 = 31,187.58/x
  3. Step 3: Cross multiply
    87,348.70x = 131,050.73 × 31,187.58
  4. Step 4: Simplify right side
    87,348.70x = 4,087,155,125.93
  5. Step 5: Solve for x
    x = 4,087,155,125.93/87,348.70
  6. Step 6: Final answer
    x = 46,791.25

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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.