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Finding the Fourth Proportional to 71,797.12, 107,712.72 and 22,549.12

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Solution

The fourth proportional to 71,797.12, 107,712.72 and 22,549.12 is: 33,829.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,797.12 : 107,712.72 = 22,549.12 : x
  2. Step 2: Convert to fraction form
    71,797.12/107,712.72 = 22,549.12/x
  3. Step 3: Cross multiply
    71,797.12x = 107,712.72 × 22,549.12
  4. Step 4: Simplify right side
    71,797.12x = 2,428,827,048.81
  5. Step 5: Solve for x
    x = 2,428,827,048.81/71,797.12
  6. Step 6: Final answer
    x = 33,829.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.