Home / 81,704.24-122,567.88-29,098.16

Finding the Fourth Proportional to 81,704.24, 122,567.88 and 29,098.16

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Solution

The fourth proportional to 81,704.24, 122,567.88 and 29,098.16 is: 43,651.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,704.24 : 122,567.88 = 29,098.16 : x
  2. Step 2: Convert to fraction form
    81,704.24/122,567.88 = 29,098.16/x
  3. Step 3: Cross multiply
    81,704.24x = 122,567.88 × 29,098.16
  4. Step 4: Simplify right side
    81,704.24x = 3,566,499,783.10
  5. Step 5: Solve for x
    x = 3,566,499,783.10/81,704.24
  6. Step 6: Final answer
    x = 43,651.34

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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.