Home / 74,436.56-111,749.64-48,250.88

Finding the Fourth Proportional to 74,436.56, 111,749.64 and 48,250.88

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Solution

The fourth proportional to 74,436.56, 111,749.64 and 48,250.88 is: 72,437.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,436.56 : 111,749.64 = 48,250.88 : x
  2. Step 2: Convert to fraction form
    74,436.56/111,749.64 = 48,250.88/x
  3. Step 3: Cross multiply
    74,436.56x = 111,749.64 × 48,250.88
  4. Step 4: Simplify right side
    74,436.56x = 5,392,018,469.68
  5. Step 5: Solve for x
    x = 5,392,018,469.68/74,436.56
  6. Step 6: Final answer
    x = 72,437.77

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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.