Home / 103,849.19-143,311.88-58,528.83

Finding the Fourth Proportional to 103,849.19, 143,311.88 and 58,528.83

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Solution

The fourth proportional to 103,849.19, 143,311.88 and 58,528.83 is: 80,769.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,849.19 : 143,311.88 = 58,528.83 : x
  2. Step 2: Convert to fraction form
    103,849.19/143,311.88 = 58,528.83/x
  3. Step 3: Cross multiply
    103,849.19x = 143,311.88 × 58,528.83
  4. Step 4: Simplify right side
    103,849.19x = 8,387,876,539.11
  5. Step 5: Solve for x
    x = 8,387,876,539.11/103,849.19
  6. Step 6: Final answer
    x = 80,769.78

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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.