Home / 72,568.53-100,159.31-41,942.93

Finding the Fourth Proportional to 72,568.53, 100,159.31 and 41,942.93

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Solution

The fourth proportional to 72,568.53, 100,159.31 and 41,942.93 is: 57,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,568.53 : 100,159.31 = 41,942.93 : x
  2. Step 2: Convert to fraction form
    72,568.53/100,159.31 = 41,942.93/x
  3. Step 3: Cross multiply
    72,568.53x = 100,159.31 × 41,942.93
  4. Step 4: Simplify right side
    72,568.53x = 4,200,974,928.18
  5. Step 5: Solve for x
    x = 4,200,974,928.18/72,568.53
  6. Step 6: Final answer
    x = 57,889.76

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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.