Home / 96,565.10-144,847.65-81,839.30

Finding the Fourth Proportional to 96,565.10, 144,847.65 and 81,839.30

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Solution

The fourth proportional to 96,565.10, 144,847.65 and 81,839.30 is: 122,758.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,565.10 : 144,847.65 = 81,839.30 : x
  2. Step 2: Convert to fraction form
    96,565.10/144,847.65 = 81,839.30/x
  3. Step 3: Cross multiply
    96,565.10x = 144,847.65 × 81,839.30
  4. Step 4: Simplify right side
    96,565.10x = 11,854,230,282.65
  5. Step 5: Solve for x
    x = 11,854,230,282.65/96,565.10
  6. Step 6: Final answer
    x = 122,758.95

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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.