Home / 84,632.08-126,959.04-28,447.96

Finding the Fourth Proportional to 84,632.08, 126,959.04 and 28,447.96

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Solution

The fourth proportional to 84,632.08, 126,959.04 and 28,447.96 is: 42,675.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,632.08 : 126,959.04 = 28,447.96 : x
  2. Step 2: Convert to fraction form
    84,632.08/126,959.04 = 28,447.96/x
  3. Step 3: Cross multiply
    84,632.08x = 126,959.04 × 28,447.96
  4. Step 4: Simplify right side
    84,632.08x = 3,611,725,691.56
  5. Step 5: Solve for x
    x = 3,611,725,691.56/84,632.08
  6. Step 6: Final answer
    x = 42,675.61

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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.