Home / 97,788.87-134,951.85-55,346.49

Finding the Fourth Proportional to 97,788.87, 134,951.85 and 55,346.49

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Solution

The fourth proportional to 97,788.87, 134,951.85 and 55,346.49 is: 76,379.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,788.87 : 134,951.85 = 55,346.49 : x
  2. Step 2: Convert to fraction form
    97,788.87/134,951.85 = 55,346.49/x
  3. Step 3: Cross multiply
    97,788.87x = 134,951.85 × 55,346.49
  4. Step 4: Simplify right side
    97,788.87x = 7,469,111,216.51
  5. Step 5: Solve for x
    x = 7,469,111,216.51/97,788.87
  6. Step 6: Final answer
    x = 76,379.97

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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.