Home / 74,568.12-102,906.42-42,743.04

Finding the Fourth Proportional to 74,568.12, 102,906.42 and 42,743.04

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Solution

The fourth proportional to 74,568.12, 102,906.42 and 42,743.04 is: 58,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,568.12 : 102,906.42 = 42,743.04 : x
  2. Step 2: Convert to fraction form
    74,568.12/102,906.42 = 42,743.04/x
  3. Step 3: Cross multiply
    74,568.12x = 102,906.42 × 42,743.04
  4. Step 4: Simplify right side
    74,568.12x = 4,398,533,226.32
  5. Step 5: Solve for x
    x = 4,398,533,226.32/74,568.12
  6. Step 6: Final answer
    x = 58,986.78

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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.