Home / 84,836.22-127,202.06-28,671.04

Finding the Fourth Proportional to 84,836.22, 127,202.06 and 28,671.04

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Solution

The fourth proportional to 84,836.22, 127,202.06 and 28,671.04 is: 42,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,836.22 : 127,202.06 = 28,671.04 : x
  2. Step 2: Convert to fraction form
    84,836.22/127,202.06 = 28,671.04/x
  3. Step 3: Cross multiply
    84,836.22x = 127,202.06 × 28,671.04
  4. Step 4: Simplify right side
    84,836.22x = 3,647,015,350.34
  5. Step 5: Solve for x
    x = 3,647,015,350.34/84,836.22
  6. Step 6: Final answer
    x = 42,988.89

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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.