Home / 89,872.06-124,022.78-49,587.52

Finding the Fourth Proportional to 89,872.06, 124,022.78 and 49,587.52

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Solution

The fourth proportional to 89,872.06, 124,022.78 and 49,587.52 is: 68,430.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,872.06 : 124,022.78 = 49,587.52 : x
  2. Step 2: Convert to fraction form
    89,872.06/124,022.78 = 49,587.52/x
  3. Step 3: Cross multiply
    89,872.06x = 124,022.78 × 49,587.52
  4. Step 4: Simplify right side
    89,872.06x = 6,149,982,083.71
  5. Step 5: Solve for x
    x = 6,149,982,083.71/89,872.06
  6. Step 6: Final answer
    x = 68,430.41

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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.