Home / 124,940.20-172,419.06-68,352.52

Finding the Fourth Proportional to 124,940.20, 172,419.06 and 68,352.52

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Solution

The fourth proportional to 124,940.20, 172,419.06 and 68,352.52 is: 94,327.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,940.20 : 172,419.06 = 68,352.52 : x
  2. Step 2: Convert to fraction form
    124,940.20/172,419.06 = 68,352.52/x
  3. Step 3: Cross multiply
    124,940.20x = 172,419.06 × 68,352.52
  4. Step 4: Simplify right side
    124,940.20x = 11,785,277,247.03
  5. Step 5: Solve for x
    x = 11,785,277,247.03/124,940.20
  6. Step 6: Final answer
    x = 94,327.34

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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.