Home / 84,459.06-126,668.43-25,278.84

Finding the Fourth Proportional to 84,459.06, 126,668.43 and 25,278.84

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Solution

The fourth proportional to 84,459.06, 126,668.43 and 25,278.84 is: 37,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,459.06 : 126,668.43 = 25,278.84 : x
  2. Step 2: Convert to fraction form
    84,459.06/126,668.43 = 25,278.84/x
  3. Step 3: Cross multiply
    84,459.06x = 126,668.43 × 25,278.84
  4. Step 4: Simplify right side
    84,459.06x = 3,202,030,975.02
  5. Step 5: Solve for x
    x = 3,202,030,975.02/84,459.06
  6. Step 6: Final answer
    x = 37,912.23

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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.