Home / 96,315.90-144,471.15-43,725.30

Finding the Fourth Proportional to 96,315.90, 144,471.15 and 43,725.30

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Solution

The fourth proportional to 96,315.90, 144,471.15 and 43,725.30 is: 65,586.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,315.90 : 144,471.15 = 43,725.30 : x
  2. Step 2: Convert to fraction form
    96,315.90/144,471.15 = 43,725.30/x
  3. Step 3: Cross multiply
    96,315.90x = 144,471.15 × 43,725.30
  4. Step 4: Simplify right side
    96,315.90x = 6,317,044,375.10
  5. Step 5: Solve for x
    x = 6,317,044,375.10/96,315.90
  6. Step 6: Final answer
    x = 65,586.72

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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.