Home / 96,699.13-145,049.69-29,231.72

Finding the Fourth Proportional to 96,699.13, 145,049.69 and 29,231.72

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Solution

The fourth proportional to 96,699.13, 145,049.69 and 29,231.72 is: 43,847.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,699.13 : 145,049.69 = 29,231.72 : x
  2. Step 2: Convert to fraction form
    96,699.13/145,049.69 = 29,231.72/x
  3. Step 3: Cross multiply
    96,699.13x = 145,049.69 × 29,231.72
  4. Step 4: Simplify right side
    96,699.13x = 4,240,051,272.00
  5. Step 5: Solve for x
    x = 4,240,051,272.00/96,699.13
  6. Step 6: Final answer
    x = 43,847.88

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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.