Home / 80,717.68-111,390.46-44,907.72

Finding the Fourth Proportional to 80,717.68, 111,390.46 and 44,907.72

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Solution

The fourth proportional to 80,717.68, 111,390.46 and 44,907.72 is: 61,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,717.68 : 111,390.46 = 44,907.72 : x
  2. Step 2: Convert to fraction form
    80,717.68/111,390.46 = 44,907.72/x
  3. Step 3: Cross multiply
    80,717.68x = 111,390.46 × 44,907.72
  4. Step 4: Simplify right side
    80,717.68x = 5,002,291,058.37
  5. Step 5: Solve for x
    x = 5,002,291,058.37/80,717.68
  6. Step 6: Final answer
    x = 61,972.68

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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.