Home / 87,510.84-131,234.04-31,335.72

Finding the Fourth Proportional to 87,510.84, 131,234.04 and 31,335.72

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Solution

The fourth proportional to 87,510.84, 131,234.04 and 31,335.72 is: 46,992.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,510.84 : 131,234.04 = 31,335.72 : x
  2. Step 2: Convert to fraction form
    87,510.84/131,234.04 = 31,335.72/x
  3. Step 3: Cross multiply
    87,510.84x = 131,234.04 × 31,335.72
  4. Step 4: Simplify right side
    87,510.84x = 4,112,313,131.91
  5. Step 5: Solve for x
    x = 4,112,313,131.91/87,510.84
  6. Step 6: Final answer
    x = 46,992.04

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1.5x scale

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.