Home / 89,250.31-133,693.20-49,828.42

Finding the Fourth Proportional to 89,250.31, 133,693.20 and 49,828.42

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Solution

The fourth proportional to 89,250.31, 133,693.20 and 49,828.42 is: 74,640.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,250.31 : 133,693.20 = 49,828.42 : x
  2. Step 2: Convert to fraction form
    89,250.31/133,693.20 = 49,828.42/x
  3. Step 3: Cross multiply
    89,250.31x = 133,693.20 × 49,828.42
  4. Step 4: Simplify right side
    89,250.31x = 6,661,720,920.74
  5. Step 5: Solve for x
    x = 6,661,720,920.74/89,250.31
  6. Step 6: Final answer
    x = 74,640.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.