Home / 96,566.60-144,720.30-68,832.20

Finding the Fourth Proportional to 96,566.60, 144,720.30 and 68,832.20

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Solution

The fourth proportional to 96,566.60, 144,720.30 and 68,832.20 is: 103,155.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,566.60 : 144,720.30 = 68,832.20 : x
  2. Step 2: Convert to fraction form
    96,566.60/144,720.30 = 68,832.20/x
  3. Step 3: Cross multiply
    96,566.60x = 144,720.30 × 68,832.20
  4. Step 4: Simplify right side
    96,566.60x = 9,961,416,633.66
  5. Step 5: Solve for x
    x = 9,961,416,633.66/96,566.60
  6. Step 6: Final answer
    x = 103,155.92

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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.