Home / 80,957.18-111,751.65-60,872.37

Finding the Fourth Proportional to 80,957.18, 111,751.65 and 60,872.37

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Solution

The fourth proportional to 80,957.18, 111,751.65 and 60,872.37 is: 84,026.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,957.18 : 111,751.65 = 60,872.37 : x
  2. Step 2: Convert to fraction form
    80,957.18/111,751.65 = 60,872.37/x
  3. Step 3: Cross multiply
    80,957.18x = 111,751.65 × 60,872.37
  4. Step 4: Simplify right side
    80,957.18x = 6,802,587,786.91
  5. Step 5: Solve for x
    x = 6,802,587,786.91/80,957.18
  6. Step 6: Final answer
    x = 84,026.99

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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.