Home / 48,115.88-72,171.57-12,577.22

Finding the Fourth Proportional to 48,115.88, 72,171.57 and 12,577.22

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Solution

The fourth proportional to 48,115.88, 72,171.57 and 12,577.22 is: 18,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,115.88 : 72,171.57 = 12,577.22 : x
  2. Step 2: Convert to fraction form
    48,115.88/72,171.57 = 12,577.22/x
  3. Step 3: Cross multiply
    48,115.88x = 72,171.57 × 12,577.22
  4. Step 4: Simplify right side
    48,115.88x = 907,717,713.64
  5. Step 5: Solve for x
    x = 907,717,713.64/48,115.88
  6. Step 6: Final answer
    x = 18,865.24

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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.