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Finding the Fourth Proportional to 63,270, 87,314.04 and 40,952.88

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Solution

The fourth proportional to 63,270, 87,314.04 and 40,952.88 is: 56,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,270 : 87,314.04 = 40,952.88 : x
  2. Step 2: Convert to fraction form
    63,270/87,314.04 = 40,952.88/x
  3. Step 3: Cross multiply
    63,270x = 87,314.04 × 40,952.88
  4. Step 4: Simplify right side
    63,270x = 3,575,761,402.44
  5. Step 5: Solve for x
    x = 3,575,761,402.44/63,270
  6. Step 6: Final answer
    x = 56,515.91

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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.