Home / 96,521.38-144,582.81-71,589.58

Finding the Fourth Proportional to 96,521.38, 144,582.81 and 71,589.58

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Solution

The fourth proportional to 96,521.38, 144,582.81 and 71,589.58 is: 107,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,521.38 : 144,582.81 = 71,589.58 : x
  2. Step 2: Convert to fraction form
    96,521.38/144,582.81 = 71,589.58/x
  3. Step 3: Cross multiply
    96,521.38x = 144,582.81 × 71,589.58
  4. Step 4: Simplify right side
    96,521.38x = 10,350,622,643.12
  5. Step 5: Solve for x
    x = 10,350,622,643.12/96,521.38
  6. Step 6: Final answer
    x = 107,236.58

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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.