Home / 107,882.36-161,806.20-45,544.76

Finding the Fourth Proportional to 107,882.36, 161,806.20 and 45,544.76

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Solution

The fourth proportional to 107,882.36, 161,806.20 and 45,544.76 is: 68,309.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,882.36 : 161,806.20 = 45,544.76 : x
  2. Step 2: Convert to fraction form
    107,882.36/161,806.20 = 45,544.76/x
  3. Step 3: Cross multiply
    107,882.36x = 161,806.20 × 45,544.76
  4. Step 4: Simplify right side
    107,882.36x = 7,369,424,545.51
  5. Step 5: Solve for x
    x = 7,369,424,545.51/107,882.36
  6. Step 6: Final answer
    x = 68,309.82

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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.