Home / 74,242.10-102,446.43-45,562.97

Finding the Fourth Proportional to 74,242.10, 102,446.43 and 45,562.97

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Solution

The fourth proportional to 74,242.10, 102,446.43 and 45,562.97 is: 62,872.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,242.10 : 102,446.43 = 45,562.97 : x
  2. Step 2: Convert to fraction form
    74,242.10/102,446.43 = 45,562.97/x
  3. Step 3: Cross multiply
    74,242.10x = 102,446.43 × 45,562.97
  4. Step 4: Simplify right side
    74,242.10x = 4,667,763,830.10
  5. Step 5: Solve for x
    x = 4,667,763,830.10/74,242.10
  6. Step 6: Final answer
    x = 62,872.19

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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.