Home / 87,714.24-121,044.96-49,986.24

Finding the Fourth Proportional to 87,714.24, 121,044.96 and 49,986.24

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Solution

The fourth proportional to 87,714.24, 121,044.96 and 49,986.24 is: 68,980.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,714.24 : 121,044.96 = 49,986.24 : x
  2. Step 2: Convert to fraction form
    87,714.24/121,044.96 = 49,986.24/x
  3. Step 3: Cross multiply
    87,714.24x = 121,044.96 × 49,986.24
  4. Step 4: Simplify right side
    87,714.24x = 6,050,582,421.35
  5. Step 5: Solve for x
    x = 6,050,582,421.35/87,714.24
  6. Step 6: Final answer
    x = 68,980.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.