Home / 111,408.04-167,024.40-55,209.52

Finding the Fourth Proportional to 111,408.04, 167,024.40 and 55,209.52

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Solution

The fourth proportional to 111,408.04, 167,024.40 and 55,209.52 is: 82,770.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,408.04 : 167,024.40 = 55,209.52 : x
  2. Step 2: Convert to fraction form
    111,408.04/167,024.40 = 55,209.52/x
  3. Step 3: Cross multiply
    111,408.04x = 167,024.40 × 55,209.52
  4. Step 4: Simplify right side
    111,408.04x = 9,221,336,952.29
  5. Step 5: Solve for x
    x = 9,221,336,952.29/111,408.04
  6. Step 6: Final answer
    x = 82,770.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.