Home / 80,822.22-111,530.43-45,011.58

Finding the Fourth Proportional to 80,822.22, 111,530.43 and 45,011.58

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Solution

The fourth proportional to 80,822.22, 111,530.43 and 45,011.58 is: 62,113.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,822.22 : 111,530.43 = 45,011.58 : x
  2. Step 2: Convert to fraction form
    80,822.22/111,530.43 = 45,011.58/x
  3. Step 3: Cross multiply
    80,822.22x = 111,530.43 × 45,011.58
  4. Step 4: Simplify right side
    80,822.22x = 5,020,160,872.38
  5. Step 5: Solve for x
    x = 5,020,160,872.38/80,822.22
  6. Step 6: Final answer
    x = 62,113.62

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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.