Home / 80,347.04-120,546.48-67,335.20

Finding the Fourth Proportional to 80,347.04, 120,546.48 and 67,335.20

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Solution

The fourth proportional to 80,347.04, 120,546.48 and 67,335.20 is: 101,024.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,347.04 : 120,546.48 = 67,335.20 : x
  2. Step 2: Convert to fraction form
    80,347.04/120,546.48 = 67,335.20/x
  3. Step 3: Cross multiply
    80,347.04x = 120,546.48 × 67,335.20
  4. Step 4: Simplify right side
    80,347.04x = 8,117,021,340.10
  5. Step 5: Solve for x
    x = 8,117,021,340.10/80,347.04
  6. Step 6: Final answer
    x = 101,024.52

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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.