Home / 86,832.20-130,248.30-27,672.20

Finding the Fourth Proportional to 86,832.20, 130,248.30 and 27,672.20

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Solution

The fourth proportional to 86,832.20, 130,248.30 and 27,672.20 is: 41,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,832.20 : 130,248.30 = 27,672.20 : x
  2. Step 2: Convert to fraction form
    86,832.20/130,248.30 = 27,672.20/x
  3. Step 3: Cross multiply
    86,832.20x = 130,248.30 × 27,672.20
  4. Step 4: Simplify right side
    86,832.20x = 3,604,257,007.26
  5. Step 5: Solve for x
    x = 3,604,257,007.26/86,832.20
  6. Step 6: Final answer
    x = 41,508.30

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1.5x scale

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.