Home / 98,717.22-136,229.80-55,705.84

Finding the Fourth Proportional to 98,717.22, 136,229.80 and 55,705.84

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Solution

The fourth proportional to 98,717.22, 136,229.80 and 55,705.84 is: 76,874.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,717.22 : 136,229.80 = 55,705.84 : x
  2. Step 2: Convert to fraction form
    98,717.22/136,229.80 = 55,705.84/x
  3. Step 3: Cross multiply
    98,717.22x = 136,229.80 × 55,705.84
  4. Step 4: Simplify right side
    98,717.22x = 7,588,795,442.03
  5. Step 5: Solve for x
    x = 7,588,795,442.03/98,717.22
  6. Step 6: Final answer
    x = 76,874.08

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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.