Home / 74,020.64-102,142.08-41,753.48

Finding the Fourth Proportional to 74,020.64, 102,142.08 and 41,753.48

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Solution

The fourth proportional to 74,020.64, 102,142.08 and 41,753.48 is: 57,616.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,020.64 : 102,142.08 = 41,753.48 : x
  2. Step 2: Convert to fraction form
    74,020.64/102,142.08 = 41,753.48/x
  3. Step 3: Cross multiply
    74,020.64x = 102,142.08 × 41,753.48
  4. Step 4: Simplify right side
    74,020.64x = 4,264,787,294.44
  5. Step 5: Solve for x
    x = 4,264,787,294.44/74,020.64
  6. Step 6: Final answer
    x = 57,616.19

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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.