Home / 107,947.62-161,923.05-48,742.02

Finding the Fourth Proportional to 107,947.62, 161,923.05 and 48,742.02

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Solution

The fourth proportional to 107,947.62, 161,923.05 and 48,742.02 is: 73,113.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,947.62 : 161,923.05 = 48,742.02 : x
  2. Step 2: Convert to fraction form
    107,947.62/161,923.05 = 48,742.02/x
  3. Step 3: Cross multiply
    107,947.62x = 161,923.05 × 48,742.02
  4. Step 4: Simplify right side
    107,947.62x = 7,892,456,541.56
  5. Step 5: Solve for x
    x = 7,892,456,541.56/107,947.62
  6. Step 6: Final answer
    x = 73,113.76

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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.