Home / 98,871.54-136,431.78-55,846.44

Finding the Fourth Proportional to 98,871.54, 136,431.78 and 55,846.44

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Solution

The fourth proportional to 98,871.54, 136,431.78 and 55,846.44 is: 77,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,871.54 : 136,431.78 = 55,846.44 : x
  2. Step 2: Convert to fraction form
    98,871.54/136,431.78 = 55,846.44/x
  3. Step 3: Cross multiply
    98,871.54x = 136,431.78 × 55,846.44
  4. Step 4: Simplify right side
    98,871.54x = 7,619,229,215.86
  5. Step 5: Solve for x
    x = 7,619,229,215.86/98,871.54
  6. Step 6: Final answer
    x = 77,061.90

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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.