Home / 124,940.67-172,419.60-68,352.04

Finding the Fourth Proportional to 124,940.67, 172,419.60 and 68,352.04

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Solution

The fourth proportional to 124,940.67, 172,419.60 and 68,352.04 is: 94,326.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,940.67 : 172,419.60 = 68,352.04 : x
  2. Step 2: Convert to fraction form
    124,940.67/172,419.60 = 68,352.04/x
  3. Step 3: Cross multiply
    124,940.67x = 172,419.60 × 68,352.04
  4. Step 4: Simplify right side
    124,940.67x = 11,785,231,395.98
  5. Step 5: Solve for x
    x = 11,785,231,395.98/124,940.67
  6. Step 6: Final answer
    x = 94,326.62

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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.