Home / 74,841.89-103,281-40,850.11

Finding the Fourth Proportional to 74,841.89, 103,281 and 40,850.11

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Solution

The fourth proportional to 74,841.89, 103,281 and 40,850.11 is: 56,372.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,841.89 : 103,281 = 40,850.11 : x
  2. Step 2: Convert to fraction form
    74,841.89/103,281 = 40,850.11/x
  3. Step 3: Cross multiply
    74,841.89x = 103,281 × 40,850.11
  4. Step 4: Simplify right side
    74,841.89x = 4,219,040,210.91
  5. Step 5: Solve for x
    x = 4,219,040,210.91/74,841.89
  6. Step 6: Final answer
    x = 56,372.71

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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.