Home / 81,440.88-122,167.80-34,694.16

Finding the Fourth Proportional to 81,440.88, 122,167.80 and 34,694.16

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Solution

The fourth proportional to 81,440.88, 122,167.80 and 34,694.16 is: 52,044.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,440.88 : 122,167.80 = 34,694.16 : x
  2. Step 2: Convert to fraction form
    81,440.88/122,167.80 = 34,694.16/x
  3. Step 3: Cross multiply
    81,440.88x = 122,167.80 × 34,694.16
  4. Step 4: Simplify right side
    81,440.88x = 4,238,509,200.05
  5. Step 5: Solve for x
    x = 4,238,509,200.05/81,440.88
  6. Step 6: Final answer
    x = 52,044.00

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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.