Home / 87,341.82-131,012.79-37,389.57

Finding the Fourth Proportional to 87,341.82, 131,012.79 and 37,389.57

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Solution

The fourth proportional to 87,341.82, 131,012.79 and 37,389.57 is: 56,084.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,341.82 : 131,012.79 = 37,389.57 : x
  2. Step 2: Convert to fraction form
    87,341.82/131,012.79 = 37,389.57/x
  3. Step 3: Cross multiply
    87,341.82x = 131,012.79 × 37,389.57
  4. Step 4: Simplify right side
    87,341.82x = 4,898,511,882.60
  5. Step 5: Solve for x
    x = 4,898,511,882.60/87,341.82
  6. Step 6: Final answer
    x = 56,084.38

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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.