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Finding the Fourth Proportional to 63,810, 88,057.80 and 35,515.08

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Solution

The fourth proportional to 63,810, 88,057.80 and 35,515.08 is: 49,010.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,810 : 88,057.80 = 35,515.08 : x
  2. Step 2: Convert to fraction form
    63,810/88,057.80 = 35,515.08/x
  3. Step 3: Cross multiply
    63,810x = 88,057.80 × 35,515.08
  4. Step 4: Simplify right side
    63,810x = 3,127,379,811.62
  5. Step 5: Solve for x
    x = 3,127,379,811.62/63,810
  6. Step 6: Final answer
    x = 49,010.81

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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.