Home / 89,951.07-124,134.41-49,667.38

Finding the Fourth Proportional to 89,951.07, 124,134.41 and 49,667.38

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Solution

The fourth proportional to 89,951.07, 124,134.41 and 49,667.38 is: 68,542.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,951.07 : 124,134.41 = 49,667.38 : x
  2. Step 2: Convert to fraction form
    89,951.07/124,134.41 = 49,667.38/x
  3. Step 3: Cross multiply
    89,951.07x = 124,134.41 × 49,667.38
  4. Step 4: Simplify right side
    89,951.07x = 6,165,430,656.53
  5. Step 5: Solve for x
    x = 6,165,430,656.53/89,951.07
  6. Step 6: Final answer
    x = 68,542.05

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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.