Home / 74,348.78-102,604.29-42,517.22

Finding the Fourth Proportional to 74,348.78, 102,604.29 and 42,517.22

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Solution

The fourth proportional to 74,348.78, 102,604.29 and 42,517.22 is: 58,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,348.78 : 102,604.29 = 42,517.22 : x
  2. Step 2: Convert to fraction form
    74,348.78/102,604.29 = 42,517.22/x
  3. Step 3: Cross multiply
    74,348.78x = 102,604.29 × 42,517.22
  4. Step 4: Simplify right side
    74,348.78x = 4,362,449,170.87
  5. Step 5: Solve for x
    x = 4,362,449,170.87/74,348.78
  6. Step 6: Final answer
    x = 58,675.46

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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.