Home / 74,826.38-103,298.50-57,792.39

Finding the Fourth Proportional to 74,826.38, 103,298.50 and 57,792.39

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Solution

The fourth proportional to 74,826.38, 103,298.50 and 57,792.39 is: 79,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,826.38 : 103,298.50 = 57,792.39 : x
  2. Step 2: Convert to fraction form
    74,826.38/103,298.50 = 57,792.39/x
  3. Step 3: Cross multiply
    74,826.38x = 103,298.50 × 57,792.39
  4. Step 4: Simplify right side
    74,826.38x = 5,969,866,964.56
  5. Step 5: Solve for x
    x = 5,969,866,964.56/74,826.38
  6. Step 6: Final answer
    x = 79,782.92

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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.