Home / 74,981.19-112,471.92-22,386.54

Finding the Fourth Proportional to 74,981.19, 112,471.92 and 22,386.54

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Solution

The fourth proportional to 74,981.19, 112,471.92 and 22,386.54 is: 33,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,981.19 : 112,471.92 = 22,386.54 : x
  2. Step 2: Convert to fraction form
    74,981.19/112,471.92 = 22,386.54/x
  3. Step 3: Cross multiply
    74,981.19x = 112,471.92 × 22,386.54
  4. Step 4: Simplify right side
    74,981.19x = 2,517,857,135.96
  5. Step 5: Solve for x
    x = 2,517,857,135.96/74,981.19
  6. Step 6: Final answer
    x = 33,579.85

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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.