Home / 81,714.24-112,789.08-49,448.88

Finding the Fourth Proportional to 81,714.24, 112,789.08 and 49,448.88

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Solution

The fourth proportional to 81,714.24, 112,789.08 and 49,448.88 is: 68,253.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,714.24 : 112,789.08 = 49,448.88 : x
  2. Step 2: Convert to fraction form
    81,714.24/112,789.08 = 49,448.88/x
  3. Step 3: Cross multiply
    81,714.24x = 112,789.08 × 49,448.88
  4. Step 4: Simplify right side
    81,714.24x = 5,577,293,682.23
  5. Step 5: Solve for x
    x = 5,577,293,682.23/81,714.24
  6. Step 6: Final answer
    x = 68,253.63

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1.5x scale

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.