Home / 82,826.24-124,792.60-74,938.87

Finding the Fourth Proportional to 82,826.24, 124,792.60 and 74,938.87

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Solution

The fourth proportional to 82,826.24, 124,792.60 and 74,938.87 is: 112,908.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,826.24 : 124,792.60 = 74,938.87 : x
  2. Step 2: Convert to fraction form
    82,826.24/124,792.60 = 74,938.87/x
  3. Step 3: Cross multiply
    82,826.24x = 124,792.60 × 74,938.87
  4. Step 4: Simplify right side
    82,826.24x = 9,351,815,429.70
  5. Step 5: Solve for x
    x = 9,351,815,429.70/82,826.24
  6. Step 6: Final answer
    x = 112,908.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.