Home / 51,568.68-71,162.10-30,359.64

Finding the Fourth Proportional to 51,568.68, 71,162.10 and 30,359.64

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Solution

The fourth proportional to 51,568.68, 71,162.10 and 30,359.64 is: 41,894.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,568.68 : 71,162.10 = 30,359.64 : x
  2. Step 2: Convert to fraction form
    51,568.68/71,162.10 = 30,359.64/x
  3. Step 3: Cross multiply
    51,568.68x = 71,162.10 × 30,359.64
  4. Step 4: Simplify right side
    51,568.68x = 2,160,455,737.64
  5. Step 5: Solve for x
    x = 2,160,455,737.64/51,568.68
  6. Step 6: Final answer
    x = 41,894.73

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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.