Home / 79,537.92-109,763.04-43,239.44

Finding the Fourth Proportional to 79,537.92, 109,763.04 and 43,239.44

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Solution

The fourth proportional to 79,537.92, 109,763.04 and 43,239.44 is: 59,670.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,537.92 : 109,763.04 = 43,239.44 : x
  2. Step 2: Convert to fraction form
    79,537.92/109,763.04 = 43,239.44/x
  3. Step 3: Cross multiply
    79,537.92x = 109,763.04 × 43,239.44
  4. Step 4: Simplify right side
    79,537.92x = 4,746,092,818.85
  5. Step 5: Solve for x
    x = 4,746,092,818.85/79,537.92
  6. Step 6: Final answer
    x = 59,670.82

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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.