Home / 87,756.72-131,515.79-37,113.65

Finding the Fourth Proportional to 87,756.72, 131,515.79 and 37,113.65

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Solution

The fourth proportional to 87,756.72, 131,515.79 and 37,113.65 is: 55,620.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,756.72 : 131,515.79 = 37,113.65 : x
  2. Step 2: Convert to fraction form
    87,756.72/131,515.79 = 37,113.65/x
  3. Step 3: Cross multiply
    87,756.72x = 131,515.79 × 37,113.65
  4. Step 4: Simplify right side
    87,756.72x = 4,881,030,434.74
  5. Step 5: Solve for x
    x = 4,881,030,434.74/87,756.72
  6. Step 6: Final answer
    x = 55,620.02

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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.