Home / 65,764.15-90,755.19-35,550.04

Finding the Fourth Proportional to 65,764.15, 90,755.19 and 35,550.04

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Solution

The fourth proportional to 65,764.15, 90,755.19 and 35,550.04 is: 49,059.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,764.15 : 90,755.19 = 35,550.04 : x
  2. Step 2: Convert to fraction form
    65,764.15/90,755.19 = 35,550.04/x
  3. Step 3: Cross multiply
    65,764.15x = 90,755.19 × 35,550.04
  4. Step 4: Simplify right side
    65,764.15x = 3,226,350,634.71
  5. Step 5: Solve for x
    x = 3,226,350,634.71/65,764.15
  6. Step 6: Final answer
    x = 49,059.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.