Home / 48,111.40-72,175.38-16,519.96

Finding the Fourth Proportional to 48,111.40, 72,175.38 and 16,519.96

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Solution

The fourth proportional to 48,111.40, 72,175.38 and 16,519.96 is: 24,782.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,111.40 : 72,175.38 = 16,519.96 : x
  2. Step 2: Convert to fraction form
    48,111.40/72,175.38 = 16,519.96/x
  3. Step 3: Cross multiply
    48,111.40x = 72,175.38 × 16,519.96
  4. Step 4: Simplify right side
    48,111.40x = 1,192,334,390.58
  5. Step 5: Solve for x
    x = 1,192,334,390.58/48,111.40
  6. Step 6: Final answer
    x = 24,782.78

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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.