Home / 62,847.47-94,251.17-20,719.70

Finding the Fourth Proportional to 62,847.47, 94,251.17 and 20,719.70

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Solution

The fourth proportional to 62,847.47, 94,251.17 and 20,719.70 is: 31,072.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,847.47 : 94,251.17 = 20,719.70 : x
  2. Step 2: Convert to fraction form
    62,847.47/94,251.17 = 20,719.70/x
  3. Step 3: Cross multiply
    62,847.47x = 94,251.17 × 20,719.70
  4. Step 4: Simplify right side
    62,847.47x = 1,952,855,967.05
  5. Step 5: Solve for x
    x = 1,952,855,967.05/62,847.47
  6. Step 6: Final answer
    x = 31,072.94

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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.