Home / 107,338.44-161,073.18-67,841.16

Finding the Fourth Proportional to 107,338.44, 161,073.18 and 67,841.16

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Solution

The fourth proportional to 107,338.44, 161,073.18 and 67,841.16 is: 101,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,338.44 : 161,073.18 = 67,841.16 : x
  2. Step 2: Convert to fraction form
    107,338.44/161,073.18 = 67,841.16/x
  3. Step 3: Cross multiply
    107,338.44x = 161,073.18 × 67,841.16
  4. Step 4: Simplify right side
    107,338.44x = 10,927,391,376.09
  5. Step 5: Solve for x
    x = 10,927,391,376.09/107,338.44
  6. Step 6: Final answer
    x = 101,803.15

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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.