Home / 98,257.22-135,591.05-55,811.06

Finding the Fourth Proportional to 98,257.22, 135,591.05 and 55,811.06

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Solution

The fourth proportional to 98,257.22, 135,591.05 and 55,811.06 is: 77,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,257.22 : 135,591.05 = 55,811.06 : x
  2. Step 2: Convert to fraction form
    98,257.22/135,591.05 = 55,811.06/x
  3. Step 3: Cross multiply
    98,257.22x = 135,591.05 × 55,811.06
  4. Step 4: Simplify right side
    98,257.22x = 7,567,479,688.59
  5. Step 5: Solve for x
    x = 7,567,479,688.59/98,257.22
  6. Step 6: Final answer
    x = 77,017.04

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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.