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Finding the Fourth Proportional to 63,242.97, 87,276.96 and 34,563.84

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Solution

The fourth proportional to 63,242.97, 87,276.96 and 34,563.84 is: 47,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,242.97 : 87,276.96 = 34,563.84 : x
  2. Step 2: Convert to fraction form
    63,242.97/87,276.96 = 34,563.84/x
  3. Step 3: Cross multiply
    63,242.97x = 87,276.96 × 34,563.84
  4. Step 4: Simplify right side
    63,242.97x = 3,016,626,881.13
  5. Step 5: Solve for x
    x = 3,016,626,881.13/63,242.97
  6. Step 6: Final answer
    x = 47,699.01

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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.