Home / 74,828.38-103,301.26-57,794.39

Finding the Fourth Proportional to 74,828.38, 103,301.26 and 57,794.39

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Solution

The fourth proportional to 74,828.38, 103,301.26 and 57,794.39 is: 79,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,828.38 : 103,301.26 = 57,794.39 : x
  2. Step 2: Convert to fraction form
    74,828.38/103,301.26 = 57,794.39/x
  3. Step 3: Cross multiply
    74,828.38x = 103,301.26 × 57,794.39
  4. Step 4: Simplify right side
    74,828.38x = 5,970,233,307.93
  5. Step 5: Solve for x
    x = 5,970,233,307.93/74,828.38
  6. Step 6: Final answer
    x = 79,785.68

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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.