Home / 87,688.11-131,531.34-37,803.45

Finding the Fourth Proportional to 87,688.11, 131,531.34 and 37,803.45

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Solution

The fourth proportional to 87,688.11, 131,531.34 and 37,803.45 is: 56,704.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,688.11 : 131,531.34 = 37,803.45 : x
  2. Step 2: Convert to fraction form
    87,688.11/131,531.34 = 37,803.45/x
  3. Step 3: Cross multiply
    87,688.11x = 131,531.34 × 37,803.45
  4. Step 4: Simplify right side
    87,688.11x = 4,972,338,435.12
  5. Step 5: Solve for x
    x = 4,972,338,435.12/87,688.11
  6. Step 6: Final answer
    x = 56,704.82

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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.