Home / 62,117.20-93,147.12-19,989.44

Finding the Fourth Proportional to 62,117.20, 93,147.12 and 19,989.44

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Solution

The fourth proportional to 62,117.20, 93,147.12 and 19,989.44 is: 29,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,117.20 : 93,147.12 = 19,989.44 : x
  2. Step 2: Convert to fraction form
    62,117.20/93,147.12 = 19,989.44/x
  3. Step 3: Cross multiply
    62,117.20x = 93,147.12 × 19,989.44
  4. Step 4: Simplify right side
    62,117.20x = 1,861,958,766.41
  5. Step 5: Solve for x
    x = 1,861,958,766.41/62,117.20
  6. Step 6: Final answer
    x = 29,974.93

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1.5x scale

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.