Home / 74,930.96-103,401.66-40,940.62

Finding the Fourth Proportional to 74,930.96, 103,401.66 and 40,940.62

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Solution

The fourth proportional to 74,930.96, 103,401.66 and 40,940.62 is: 56,496.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,930.96 : 103,401.66 = 40,940.62 : x
  2. Step 2: Convert to fraction form
    74,930.96/103,401.66 = 40,940.62/x
  3. Step 3: Cross multiply
    74,930.96x = 103,401.66 × 40,940.62
  4. Step 4: Simplify right side
    74,930.96x = 4,233,328,069.43
  5. Step 5: Solve for x
    x = 4,233,328,069.43/74,930.96
  6. Step 6: Final answer
    x = 56,496.38

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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.