Home / 74,654.57-103,022.43-40,662.95

Finding the Fourth Proportional to 74,654.57, 103,022.43 and 40,662.95

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Solution

The fourth proportional to 74,654.57, 103,022.43 and 40,662.95 is: 56,114.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,654.57 : 103,022.43 = 40,662.95 : x
  2. Step 2: Convert to fraction form
    74,654.57/103,022.43 = 40,662.95/x
  3. Step 3: Cross multiply
    74,654.57x = 103,022.43 × 40,662.95
  4. Step 4: Simplify right side
    74,654.57x = 4,189,195,915.73
  5. Step 5: Solve for x
    x = 4,189,195,915.73/74,654.57
  6. Step 6: Final answer
    x = 56,114.39

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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.