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Finding the Fourth Proportional to 63,668, 87,853.92 and 35,370.08

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Solution

The fourth proportional to 63,668, 87,853.92 and 35,370.08 is: 48,806.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,668 : 87,853.92 = 35,370.08 : x
  2. Step 2: Convert to fraction form
    63,668/87,853.92 = 35,370.08/x
  3. Step 3: Cross multiply
    63,668x = 87,853.92 × 35,370.08
  4. Step 4: Simplify right side
    63,668x = 3,107,400,178.71
  5. Step 5: Solve for x
    x = 3,107,400,178.71/63,668
  6. Step 6: Final answer
    x = 48,806.31

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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.