Home / 74,389.80-111,394.20-41,072.88

Finding the Fourth Proportional to 74,389.80, 111,394.20 and 41,072.88

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Solution

The fourth proportional to 74,389.80, 111,394.20 and 41,072.88 is: 61,504.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,389.80 : 111,394.20 = 41,072.88 : x
  2. Step 2: Convert to fraction form
    74,389.80/111,394.20 = 41,072.88/x
  3. Step 3: Cross multiply
    74,389.80x = 111,394.20 × 41,072.88
  4. Step 4: Simplify right side
    74,389.80x = 4,575,280,609.30
  5. Step 5: Solve for x
    x = 4,575,280,609.30/74,389.80
  6. Step 6: Final answer
    x = 61,504.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.