Home / 86,979.04-130,469.80-24,649.56

Finding the Fourth Proportional to 86,979.04, 130,469.80 and 24,649.56

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Solution

The fourth proportional to 86,979.04, 130,469.80 and 24,649.56 is: 36,974.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,979.04 : 130,469.80 = 24,649.56 : x
  2. Step 2: Convert to fraction form
    86,979.04/130,469.80 = 24,649.56/x
  3. Step 3: Cross multiply
    86,979.04x = 130,469.80 × 24,649.56
  4. Step 4: Simplify right side
    86,979.04x = 3,216,023,163.29
  5. Step 5: Solve for x
    x = 3,216,023,163.29/86,979.04
  6. Step 6: Final answer
    x = 36,974.69

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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.