Home / 74,949.16-103,425.78-41,413

Finding the Fourth Proportional to 74,949.16, 103,425.78 and 41,413

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Solution

The fourth proportional to 74,949.16, 103,425.78 and 41,413 is: 57,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,949.16 : 103,425.78 = 41,413 : x
  2. Step 2: Convert to fraction form
    74,949.16/103,425.78 = 41,413/x
  3. Step 3: Cross multiply
    74,949.16x = 103,425.78 × 41,413
  4. Step 4: Simplify right side
    74,949.16x = 4,283,171,827.14
  5. Step 5: Solve for x
    x = 4,283,171,827.14/74,949.16
  6. Step 6: Final answer
    x = 57,147.70

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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.