Home / 48,166.70-72,261.33-20,105.10

Finding the Fourth Proportional to 48,166.70, 72,261.33 and 20,105.10

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Solution

The fourth proportional to 48,166.70, 72,261.33 and 20,105.10 is: 30,162.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,166.70 : 72,261.33 = 20,105.10 : x
  2. Step 2: Convert to fraction form
    48,166.70/72,261.33 = 20,105.10/x
  3. Step 3: Cross multiply
    48,166.70x = 72,261.33 × 20,105.10
  4. Step 4: Simplify right side
    48,166.70x = 1,452,821,265.78
  5. Step 5: Solve for x
    x = 1,452,821,265.78/48,166.70
  6. Step 6: Final answer
    x = 30,162.36

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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.