Home / 74,940.03-103,414.14-40,949.66

Finding the Fourth Proportional to 74,940.03, 103,414.14 and 40,949.66

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Solution

The fourth proportional to 74,940.03, 103,414.14 and 40,949.66 is: 56,508.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,940.03 : 103,414.14 = 40,949.66 : x
  2. Step 2: Convert to fraction form
    74,940.03/103,414.14 = 40,949.66/x
  3. Step 3: Cross multiply
    74,940.03x = 103,414.14 × 40,949.66
  4. Step 4: Simplify right side
    74,940.03x = 4,234,774,130.73
  5. Step 5: Solve for x
    x = 4,234,774,130.73/74,940.03
  6. Step 6: Final answer
    x = 56,508.84

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1.5x scale

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.