Home / 80,748.52-111,337.62-55,267.16

Finding the Fourth Proportional to 80,748.52, 111,337.62 and 55,267.16

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Solution

The fourth proportional to 80,748.52, 111,337.62 and 55,267.16 is: 76,203.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,748.52 : 111,337.62 = 55,267.16 : x
  2. Step 2: Convert to fraction form
    80,748.52/111,337.62 = 55,267.16/x
  3. Step 3: Cross multiply
    80,748.52x = 111,337.62 × 55,267.16
  4. Step 4: Simplify right side
    80,748.52x = 6,153,314,058.56
  5. Step 5: Solve for x
    x = 6,153,314,058.56/80,748.52
  6. Step 6: Final answer
    x = 76,203.43

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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.