Home / 123,943.14-171,044.78-67,354.52

Finding the Fourth Proportional to 123,943.14, 171,044.78 and 67,354.52

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Solution

The fourth proportional to 123,943.14, 171,044.78 and 67,354.52 is: 92,951.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,943.14 : 171,044.78 = 67,354.52 : x
  2. Step 2: Convert to fraction form
    123,943.14/171,044.78 = 67,354.52/x
  3. Step 3: Cross multiply
    123,943.14x = 171,044.78 × 67,354.52
  4. Step 4: Simplify right side
    123,943.14x = 11,520,639,055.41
  5. Step 5: Solve for x
    x = 11,520,639,055.41/123,943.14
  6. Step 6: Final answer
    x = 92,951.00

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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.