Home / 79,042.52-109,185.18-63,239.96

Finding the Fourth Proportional to 79,042.52, 109,185.18 and 63,239.96

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Solution

The fourth proportional to 79,042.52, 109,185.18 and 63,239.96 is: 87,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,042.52 : 109,185.18 = 63,239.96 : x
  2. Step 2: Convert to fraction form
    79,042.52/109,185.18 = 63,239.96/x
  3. Step 3: Cross multiply
    79,042.52x = 109,185.18 × 63,239.96
  4. Step 4: Simplify right side
    79,042.52x = 6,904,866,415.79
  5. Step 5: Solve for x
    x = 6,904,866,415.79/79,042.52
  6. Step 6: Final answer
    x = 87,356.35

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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.