Home / 107,438.84-161,158.25-40,863.59

Finding the Fourth Proportional to 107,438.84, 161,158.25 and 40,863.59

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Solution

The fourth proportional to 107,438.84, 161,158.25 and 40,863.59 is: 61,295.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,438.84 : 161,158.25 = 40,863.59 : x
  2. Step 2: Convert to fraction form
    107,438.84/161,158.25 = 40,863.59/x
  3. Step 3: Cross multiply
    107,438.84x = 161,158.25 × 40,863.59
  4. Step 4: Simplify right side
    107,438.84x = 6,585,503,949.49
  5. Step 5: Solve for x
    x = 6,585,503,949.49/107,438.84
  6. Step 6: Final answer
    x = 61,295.38

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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.