Home / 98,257.34-135,591.22-55,811.18

Finding the Fourth Proportional to 98,257.34, 135,591.22 and 55,811.18

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Solution

The fourth proportional to 98,257.34, 135,591.22 and 55,811.18 is: 77,017.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,257.34 : 135,591.22 = 55,811.18 : x
  2. Step 2: Convert to fraction form
    98,257.34/135,591.22 = 55,811.18/x
  3. Step 3: Cross multiply
    98,257.34x = 135,591.22 × 55,811.18
  4. Step 4: Simplify right side
    98,257.34x = 7,567,505,985.84
  5. Step 5: Solve for x
    x = 7,567,505,985.84/98,257.34
  6. Step 6: Final answer
    x = 77,017.21

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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.