Home / 84,211.28-116,196.02-47,910.60

Finding the Fourth Proportional to 84,211.28, 116,196.02 and 47,910.60

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Solution

The fourth proportional to 84,211.28, 116,196.02 and 47,910.60 is: 66,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,211.28 : 116,196.02 = 47,910.60 : x
  2. Step 2: Convert to fraction form
    84,211.28/116,196.02 = 47,910.60/x
  3. Step 3: Cross multiply
    84,211.28x = 116,196.02 × 47,910.60
  4. Step 4: Simplify right side
    84,211.28x = 5,567,020,796.26
  5. Step 5: Solve for x
    x = 5,567,020,796.26/84,211.28
  6. Step 6: Final answer
    x = 66,107.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.