Home / 87,916.98-131,881.50-35,326.38

Finding the Fourth Proportional to 87,916.98, 131,881.50 and 35,326.38

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Solution

The fourth proportional to 87,916.98, 131,881.50 and 35,326.38 is: 52,991.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,916.98 : 131,881.50 = 35,326.38 : x
  2. Step 2: Convert to fraction form
    87,916.98/131,881.50 = 35,326.38/x
  3. Step 3: Cross multiply
    87,916.98x = 131,881.50 × 35,326.38
  4. Step 4: Simplify right side
    87,916.98x = 4,658,895,983.97
  5. Step 5: Solve for x
    x = 4,658,895,983.97/87,916.98
  6. Step 6: Final answer
    x = 52,991.99

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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.