Home / 48,164.22-72,245.93-13,103.78

Finding the Fourth Proportional to 48,164.22, 72,245.93 and 13,103.78

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Solution

The fourth proportional to 48,164.22, 72,245.93 and 13,103.78 is: 19,655.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,164.22 : 72,245.93 = 13,103.78 : x
  2. Step 2: Convert to fraction form
    48,164.22/72,245.93 = 13,103.78/x
  3. Step 3: Cross multiply
    48,164.22x = 72,245.93 × 13,103.78
  4. Step 4: Simplify right side
    48,164.22x = 946,694,345.87
  5. Step 5: Solve for x
    x = 946,694,345.87/48,164.22
  6. Step 6: Final answer
    x = 19,655.55

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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.