Home / 88,186.88-121,651.24-55,864.47

Finding the Fourth Proportional to 88,186.88, 121,651.24 and 55,864.47

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Solution

The fourth proportional to 88,186.88, 121,651.24 and 55,864.47 is: 77,063.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,186.88 : 121,651.24 = 55,864.47 : x
  2. Step 2: Convert to fraction form
    88,186.88/121,651.24 = 55,864.47/x
  3. Step 3: Cross multiply
    88,186.88x = 121,651.24 × 55,864.47
  4. Step 4: Simplify right side
    88,186.88x = 6,795,982,047.44
  5. Step 5: Solve for x
    x = 6,795,982,047.44/88,186.88
  6. Step 6: Final answer
    x = 77,063.42

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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.