Home / 74,301.48-111,261.82-40,984.50

Finding the Fourth Proportional to 74,301.48, 111,261.82 and 40,984.50

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Solution

The fourth proportional to 74,301.48, 111,261.82 and 40,984.50 is: 61,371.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,301.48 : 111,261.82 = 40,984.50 : x
  2. Step 2: Convert to fraction form
    74,301.48/111,261.82 = 40,984.50/x
  3. Step 3: Cross multiply
    74,301.48x = 111,261.82 × 40,984.50
  4. Step 4: Simplify right side
    74,301.48x = 4,560,010,061.79
  5. Step 5: Solve for x
    x = 4,560,010,061.79/74,301.48
  6. Step 6: Final answer
    x = 61,371.73

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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.