Home / 87,549.96-131,136.31-59,315.11

Finding the Fourth Proportional to 87,549.96, 131,136.31 and 59,315.11

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Solution

The fourth proportional to 87,549.96, 131,136.31 and 59,315.11 is: 88,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,549.96 : 131,136.31 = 59,315.11 : x
  2. Step 2: Convert to fraction form
    87,549.96/131,136.31 = 59,315.11/x
  3. Step 3: Cross multiply
    87,549.96x = 131,136.31 × 59,315.11
  4. Step 4: Simplify right side
    87,549.96x = 7,778,364,473.09
  5. Step 5: Solve for x
    x = 7,778,364,473.09/87,549.96
  6. Step 6: Final answer
    x = 88,844.87

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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.