Home / 104,788.68-144,332.92-80,543.29

Finding the Fourth Proportional to 104,788.68, 144,332.92 and 80,543.29

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Solution

The fourth proportional to 104,788.68, 144,332.92 and 80,543.29 is: 110,938.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,788.68 : 144,332.92 = 80,543.29 : x
  2. Step 2: Convert to fraction form
    104,788.68/144,332.92 = 80,543.29/x
  3. Step 3: Cross multiply
    104,788.68x = 144,332.92 × 80,543.29
  4. Step 4: Simplify right side
    104,788.68x = 11,625,047,107.73
  5. Step 5: Solve for x
    x = 11,625,047,107.73/104,788.68
  6. Step 6: Final answer
    x = 110,938.01

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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.