Home / 62,238.20-93,345.15-20,685.20

Finding the Fourth Proportional to 62,238.20, 93,345.15 and 20,685.20

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Solution

The fourth proportional to 62,238.20, 93,345.15 and 20,685.20 is: 31,023.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,238.20 : 93,345.15 = 20,685.20 : x
  2. Step 2: Convert to fraction form
    62,238.20/93,345.15 = 20,685.20/x
  3. Step 3: Cross multiply
    62,238.20x = 93,345.15 × 20,685.20
  4. Step 4: Simplify right side
    62,238.20x = 1,930,863,096.78
  5. Step 5: Solve for x
    x = 1,930,863,096.78/62,238.20
  6. Step 6: Final answer
    x = 31,023.76

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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.