Home / 79,127.06-118,652.31-29,230.65

Finding the Fourth Proportional to 79,127.06, 118,652.31 and 29,230.65

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Solution

The fourth proportional to 79,127.06, 118,652.31 and 29,230.65 is: 43,831.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,127.06 : 118,652.31 = 29,230.65 : x
  2. Step 2: Convert to fraction form
    79,127.06/118,652.31 = 29,230.65/x
  3. Step 3: Cross multiply
    79,127.06x = 118,652.31 × 29,230.65
  4. Step 4: Simplify right side
    79,127.06x = 3,468,284,145.30
  5. Step 5: Solve for x
    x = 3,468,284,145.30/79,127.06
  6. Step 6: Final answer
    x = 43,831.84

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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.