Home / 98,932.22-136,707.50-72,028.02

Finding the Fourth Proportional to 98,932.22, 136,707.50 and 72,028.02

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Solution

The fourth proportional to 98,932.22, 136,707.50 and 72,028.02 is: 99,530.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,932.22 : 136,707.50 = 72,028.02 : x
  2. Step 2: Convert to fraction form
    98,932.22/136,707.50 = 72,028.02/x
  3. Step 3: Cross multiply
    98,932.22x = 136,707.50 × 72,028.02
  4. Step 4: Simplify right side
    98,932.22x = 9,846,770,724.22
  5. Step 5: Solve for x
    x = 9,846,770,724.22/98,932.22
  6. Step 6: Final answer
    x = 99,530.48

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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.