Home / 48,144.62-72,216.94-13,089.44

Finding the Fourth Proportional to 48,144.62, 72,216.94 and 13,089.44

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Solution

The fourth proportional to 48,144.62, 72,216.94 and 13,089.44 is: 19,634.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,144.62 : 72,216.94 = 13,089.44 : x
  2. Step 2: Convert to fraction form
    48,144.62/72,216.94 = 13,089.44/x
  3. Step 3: Cross multiply
    48,144.62x = 72,216.94 × 13,089.44
  4. Step 4: Simplify right side
    48,144.62x = 945,279,303.11
  5. Step 5: Solve for x
    x = 945,279,303.11/48,144.62
  6. Step 6: Final answer
    x = 19,634.16

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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.