Home / 74,571.18-111,856.76-61,395.86

Finding the Fourth Proportional to 74,571.18, 111,856.76 and 61,395.86

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Solution

The fourth proportional to 74,571.18, 111,856.76 and 61,395.86 is: 92,093.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,571.18 : 111,856.76 = 61,395.86 : x
  2. Step 2: Convert to fraction form
    74,571.18/111,856.76 = 61,395.86/x
  3. Step 3: Cross multiply
    74,571.18x = 111,856.76 × 61,395.86
  4. Step 4: Simplify right side
    74,571.18x = 6,867,541,977.01
  5. Step 5: Solve for x
    x = 6,867,541,977.01/74,571.18
  6. Step 6: Final answer
    x = 92,093.78

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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.