Home / 87,462.51-131,212.86-28,304.16

Finding the Fourth Proportional to 87,462.51, 131,212.86 and 28,304.16

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Solution

The fourth proportional to 87,462.51, 131,212.86 and 28,304.16 is: 42,462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,462.51 : 131,212.86 = 28,304.16 : x
  2. Step 2: Convert to fraction form
    87,462.51/131,212.86 = 28,304.16/x
  3. Step 3: Cross multiply
    87,462.51x = 131,212.86 × 28,304.16
  4. Step 4: Simplify right side
    87,462.51x = 3,713,869,127.43
  5. Step 5: Solve for x
    x = 3,713,869,127.43/87,462.51
  6. Step 6: Final answer
    x = 42,462.41

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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.