Home / 86,058.32-129,067.97-32,731.20

Finding the Fourth Proportional to 86,058.32, 129,067.97 and 32,731.20

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Solution

The fourth proportional to 86,058.32, 129,067.97 and 32,731.20 is: 49,089.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,058.32 : 129,067.97 = 32,731.20 : x
  2. Step 2: Convert to fraction form
    86,058.32/129,067.97 = 32,731.20/x
  3. Step 3: Cross multiply
    86,058.32x = 129,067.97 × 32,731.20
  4. Step 4: Simplify right side
    86,058.32x = 4,224,549,376.01
  5. Step 5: Solve for x
    x = 4,224,549,376.01/86,058.32
  6. Step 6: Final answer
    x = 49,089.38

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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.