Home / 124,951.14-172,431.90-68,362.38

Finding the Fourth Proportional to 124,951.14, 172,431.90 and 68,362.38

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Solution

The fourth proportional to 124,951.14, 172,431.90 and 68,362.38 is: 94,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,951.14 : 172,431.90 = 68,362.38 : x
  2. Step 2: Convert to fraction form
    124,951.14/172,431.90 = 68,362.38/x
  3. Step 3: Cross multiply
    124,951.14x = 172,431.90 × 68,362.38
  4. Step 4: Simplify right side
    124,951.14x = 11,787,855,071.92
  5. Step 5: Solve for x
    x = 11,787,855,071.92/124,951.14
  6. Step 6: Final answer
    x = 94,339.72

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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.