Home / 107,861.04-161,791.57-32,981.18

Finding the Fourth Proportional to 107,861.04, 161,791.57 and 32,981.18

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Solution

The fourth proportional to 107,861.04, 161,791.57 and 32,981.18 is: 49,471.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,861.04 : 161,791.57 = 32,981.18 : x
  2. Step 2: Convert to fraction form
    107,861.04/161,791.57 = 32,981.18/x
  3. Step 3: Cross multiply
    107,861.04x = 161,791.57 × 32,981.18
  4. Step 4: Simplify right side
    107,861.04x = 5,336,075,918.79
  5. Step 5: Solve for x
    x = 5,336,075,918.79/107,861.04
  6. Step 6: Final answer
    x = 49,471.76

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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.