Home / 84,084.42-126,135.87-41,975.07

Finding the Fourth Proportional to 84,084.42, 126,135.87 and 41,975.07

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Solution

The fourth proportional to 84,084.42, 126,135.87 and 41,975.07 is: 62,967.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,084.42 : 126,135.87 = 41,975.07 : x
  2. Step 2: Convert to fraction form
    84,084.42/126,135.87 = 41,975.07/x
  3. Step 3: Cross multiply
    84,084.42x = 126,135.87 × 41,975.07
  4. Step 4: Simplify right side
    84,084.42x = 5,294,561,972.76
  5. Step 5: Solve for x
    x = 5,294,561,972.76/84,084.42
  6. Step 6: Final answer
    x = 62,967.22

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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.