Home / 87,796.61-131,681.55-28,632.19

Finding the Fourth Proportional to 87,796.61, 131,681.55 and 28,632.19

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Solution

The fourth proportional to 87,796.61, 131,681.55 and 28,632.19 is: 42,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,796.61 : 131,681.55 = 28,632.19 : x
  2. Step 2: Convert to fraction form
    87,796.61/131,681.55 = 28,632.19/x
  3. Step 3: Cross multiply
    87,796.61x = 131,681.55 × 28,632.19
  4. Step 4: Simplify right side
    87,796.61x = 3,770,330,937.26
  5. Step 5: Solve for x
    x = 3,770,330,937.26/87,796.61
  6. Step 6: Final answer
    x = 42,943.92

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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.