Home / 79,151.24-118,714.17-29,254.88

Finding the Fourth Proportional to 79,151.24, 118,714.17 and 29,254.88

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Solution

The fourth proportional to 79,151.24, 118,714.17 and 29,254.88 is: 43,877.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,151.24 : 118,714.17 = 29,254.88 : x
  2. Step 2: Convert to fraction form
    79,151.24/118,714.17 = 29,254.88/x
  3. Step 3: Cross multiply
    79,151.24x = 118,714.17 × 29,254.88
  4. Step 4: Simplify right side
    79,151.24x = 3,472,968,797.65
  5. Step 5: Solve for x
    x = 3,472,968,797.65/79,151.24
  6. Step 6: Final answer
    x = 43,877.63

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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.