Home / 97,910.09-135,115.45-55,468.52

Finding the Fourth Proportional to 97,910.09, 135,115.45 and 55,468.52

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Solution

The fourth proportional to 97,910.09, 135,115.45 and 55,468.52 is: 76,546.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,910.09 : 135,115.45 = 55,468.52 : x
  2. Step 2: Convert to fraction form
    97,910.09/135,115.45 = 55,468.52/x
  3. Step 3: Cross multiply
    97,910.09x = 135,115.45 × 55,468.52
  4. Step 4: Simplify right side
    97,910.09x = 7,494,653,226.39
  5. Step 5: Solve for x
    x = 7,494,653,226.39/97,910.09
  6. Step 6: Final answer
    x = 76,546.28

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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.