Home / 98,458.22-136,056.29-80,546.69

Finding the Fourth Proportional to 98,458.22, 136,056.29 and 80,546.69

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Solution

The fourth proportional to 98,458.22, 136,056.29 and 80,546.69 is: 111,304.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,458.22 : 136,056.29 = 80,546.69 : x
  2. Step 2: Convert to fraction form
    98,458.22/136,056.29 = 80,546.69/x
  3. Step 3: Cross multiply
    98,458.22x = 136,056.29 × 80,546.69
  4. Step 4: Simplify right side
    98,458.22x = 10,958,883,750.59
  5. Step 5: Solve for x
    x = 10,958,883,750.59/98,458.22
  6. Step 6: Final answer
    x = 111,304.91

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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.