Home / 124,913.19-172,382.94-68,324.57

Finding the Fourth Proportional to 124,913.19, 172,382.94 and 68,324.57

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Solution

The fourth proportional to 124,913.19, 172,382.94 and 68,324.57 is: 94,289.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,913.19 : 172,382.94 = 68,324.57 : x
  2. Step 2: Convert to fraction form
    124,913.19/172,382.94 = 68,324.57/x
  3. Step 3: Cross multiply
    124,913.19x = 172,382.94 × 68,324.57
  4. Step 4: Simplify right side
    124,913.19x = 11,777,989,047.30
  5. Step 5: Solve for x
    x = 11,777,989,047.30/124,913.19
  6. Step 6: Final answer
    x = 94,289.39

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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.