Home / 84,619.22-126,928.82-34,722.81

Finding the Fourth Proportional to 84,619.22, 126,928.82 and 34,722.81

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Solution

The fourth proportional to 84,619.22, 126,928.82 and 34,722.81 is: 52,084.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,619.22 : 126,928.82 = 34,722.81 : x
  2. Step 2: Convert to fraction form
    84,619.22/126,928.82 = 34,722.81/x
  3. Step 3: Cross multiply
    84,619.22x = 126,928.82 × 34,722.81
  4. Step 4: Simplify right side
    84,619.22x = 4,407,325,256.98
  5. Step 5: Solve for x
    x = 4,407,325,256.98/84,619.22
  6. Step 6: Final answer
    x = 52,084.21

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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.