Home / 89,960.73-124,156.34-74,826.69

Finding the Fourth Proportional to 89,960.73, 124,156.34 and 74,826.69

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Solution

The fourth proportional to 89,960.73, 124,156.34 and 74,826.69 is: 103,269.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,960.73 : 124,156.34 = 74,826.69 : x
  2. Step 2: Convert to fraction form
    89,960.73/124,156.34 = 74,826.69/x
  3. Step 3: Cross multiply
    89,960.73x = 124,156.34 × 74,826.69
  4. Step 4: Simplify right side
    89,960.73x = 9,290,207,590.58
  5. Step 5: Solve for x
    x = 9,290,207,590.58/89,960.73
  6. Step 6: Final answer
    x = 103,269.59

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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.