Home / 98,540.66-135,977.18-55,527.15

Finding the Fourth Proportional to 98,540.66, 135,977.18 and 55,527.15

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Solution

The fourth proportional to 98,540.66, 135,977.18 and 55,527.15 is: 76,622.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,540.66 : 135,977.18 = 55,527.15 : x
  2. Step 2: Convert to fraction form
    98,540.66/135,977.18 = 55,527.15/x
  3. Step 3: Cross multiply
    98,540.66x = 135,977.18 × 55,527.15
  4. Step 4: Simplify right side
    98,540.66x = 7,550,425,409.25
  5. Step 5: Solve for x
    x = 7,550,425,409.25/98,540.66
  6. Step 6: Final answer
    x = 76,622.44

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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.