Home / 74,458.14-111,581.19-36,981.48

Finding the Fourth Proportional to 74,458.14, 111,581.19 and 36,981.48

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Solution

The fourth proportional to 74,458.14, 111,581.19 and 36,981.48 is: 55,419.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,458.14 : 111,581.19 = 36,981.48 : x
  2. Step 2: Convert to fraction form
    74,458.14/111,581.19 = 36,981.48/x
  3. Step 3: Cross multiply
    74,458.14x = 111,581.19 × 36,981.48
  4. Step 4: Simplify right side
    74,458.14x = 4,126,437,546.36
  5. Step 5: Solve for x
    x = 4,126,437,546.36/74,458.14
  6. Step 6: Final answer
    x = 55,419.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.