Home / 107,521.43-161,276.97-44,340.51

Finding the Fourth Proportional to 107,521.43, 161,276.97 and 44,340.51

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Solution

The fourth proportional to 107,521.43, 161,276.97 and 44,340.51 is: 66,508.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,521.43 : 161,276.97 = 44,340.51 : x
  2. Step 2: Convert to fraction form
    107,521.43/161,276.97 = 44,340.51/x
  3. Step 3: Cross multiply
    107,521.43x = 161,276.97 × 44,340.51
  4. Step 4: Simplify right side
    107,521.43x = 7,151,103,872.12
  5. Step 5: Solve for x
    x = 7,151,103,872.12/107,521.43
  6. Step 6: Final answer
    x = 66,508.64

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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.