Home / 84,395.08-126,620.32-34,517.12

Finding the Fourth Proportional to 84,395.08, 126,620.32 and 34,517.12

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Solution

The fourth proportional to 84,395.08, 126,620.32 and 34,517.12 is: 51,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,395.08 : 126,620.32 = 34,517.12 : x
  2. Step 2: Convert to fraction form
    84,395.08/126,620.32 = 34,517.12/x
  3. Step 3: Cross multiply
    84,395.08x = 126,620.32 × 34,517.12
  4. Step 4: Simplify right side
    84,395.08x = 4,370,568,779.88
  5. Step 5: Solve for x
    x = 4,370,568,779.88/84,395.08
  6. Step 6: Final answer
    x = 51,787.01

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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.