Home / 63,590.22-87,736.68-39,741.12

Finding the Fourth Proportional to 63,590.22, 87,736.68 and 39,741.12

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Solution

The fourth proportional to 63,590.22, 87,736.68 and 39,741.12 is: 54,831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,590.22 : 87,736.68 = 39,741.12 : x
  2. Step 2: Convert to fraction form
    63,590.22/87,736.68 = 39,741.12/x
  3. Step 3: Cross multiply
    63,590.22x = 87,736.68 × 39,741.12
  4. Step 4: Simplify right side
    63,590.22x = 3,486,753,928.28
  5. Step 5: Solve for x
    x = 3,486,753,928.28/63,590.22
  6. Step 6: Final answer
    x = 54,831.61

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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.