Home / 74,974.16-103,460.28-41,438

Finding the Fourth Proportional to 74,974.16, 103,460.28 and 41,438

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Solution

The fourth proportional to 74,974.16, 103,460.28 and 41,438 is: 57,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,974.16 : 103,460.28 = 41,438 : x
  2. Step 2: Convert to fraction form
    74,974.16/103,460.28 = 41,438/x
  3. Step 3: Cross multiply
    74,974.16x = 103,460.28 × 41,438
  4. Step 4: Simplify right side
    74,974.16x = 4,287,187,082.64
  5. Step 5: Solve for x
    x = 4,287,187,082.64/74,974.16
  6. Step 6: Final answer
    x = 57,182.20

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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.