Home / 66,449.54-99,739.91-29,035.43

Finding the Fourth Proportional to 66,449.54, 99,739.91 and 29,035.43

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Solution

The fourth proportional to 66,449.54, 99,739.91 and 29,035.43 is: 43,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,449.54 : 99,739.91 = 29,035.43 : x
  2. Step 2: Convert to fraction form
    66,449.54/99,739.91 = 29,035.43/x
  3. Step 3: Cross multiply
    66,449.54x = 99,739.91 × 29,035.43
  4. Step 4: Simplify right side
    66,449.54x = 2,895,990,531.13
  5. Step 5: Solve for x
    x = 2,895,990,531.13/66,449.54
  6. Step 6: Final answer
    x = 43,581.80

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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.