Home / 48,163.19-72,265.45-18,601.78

Finding the Fourth Proportional to 48,163.19, 72,265.45 and 18,601.78

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Solution

The fourth proportional to 48,163.19, 72,265.45 and 18,601.78 is: 27,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,163.19 : 72,265.45 = 18,601.78 : x
  2. Step 2: Convert to fraction form
    48,163.19/72,265.45 = 18,601.78/x
  3. Step 3: Cross multiply
    48,163.19x = 72,265.45 × 18,601.78
  4. Step 4: Simplify right side
    48,163.19x = 1,344,266,002.50
  5. Step 5: Solve for x
    x = 1,344,266,002.50/48,163.19
  6. Step 6: Final answer
    x = 27,910.65

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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.