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Finding the Fourth Proportional to 63,159.74, 87,188.79 and 41,662.16

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Solution

The fourth proportional to 63,159.74, 87,188.79 and 41,662.16 is: 57,512.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,159.74 : 87,188.79 = 41,662.16 : x
  2. Step 2: Convert to fraction form
    63,159.74/87,188.79 = 41,662.16/x
  3. Step 3: Cross multiply
    63,159.74x = 87,188.79 × 41,662.16
  4. Step 4: Simplify right side
    63,159.74x = 3,632,473,319.19
  5. Step 5: Solve for x
    x = 3,632,473,319.19/63,159.74
  6. Step 6: Final answer
    x = 57,512.48

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1.5x scale

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.