Home / 87,537.72-131,437.80-50,140.02

Finding the Fourth Proportional to 87,537.72, 131,437.80 and 50,140.02

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Solution

The fourth proportional to 87,537.72, 131,437.80 and 50,140.02 is: 75,285.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,537.72 : 131,437.80 = 50,140.02 : x
  2. Step 2: Convert to fraction form
    87,537.72/131,437.80 = 50,140.02/x
  3. Step 3: Cross multiply
    87,537.72x = 131,437.80 × 50,140.02
  4. Step 4: Simplify right side
    87,537.72x = 6,590,293,920.76
  5. Step 5: Solve for x
    x = 6,590,293,920.76/87,537.72
  6. Step 6: Final answer
    x = 75,285.19

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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.