Home / 84,273.54-126,447.19-39,931.94

Finding the Fourth Proportional to 84,273.54, 126,447.19 and 39,931.94

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Solution

The fourth proportional to 84,273.54, 126,447.19 and 39,931.94 is: 59,915.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,273.54 : 126,447.19 = 39,931.94 : x
  2. Step 2: Convert to fraction form
    84,273.54/126,447.19 = 39,931.94/x
  3. Step 3: Cross multiply
    84,273.54x = 126,447.19 × 39,931.94
  4. Step 4: Simplify right side
    84,273.54x = 5,049,281,604.25
  5. Step 5: Solve for x
    x = 5,049,281,604.25/84,273.54
  6. Step 6: Final answer
    x = 59,915.39

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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.