Home / 48,469.12-72,704.64-15,187.84

Finding the Fourth Proportional to 48,469.12, 72,704.64 and 15,187.84

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Solution

The fourth proportional to 48,469.12, 72,704.64 and 15,187.84 is: 22,782.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,469.12 : 72,704.64 = 15,187.84 : x
  2. Step 2: Convert to fraction form
    48,469.12/72,704.64 = 15,187.84/x
  3. Step 3: Cross multiply
    48,469.12x = 72,704.64 × 15,187.84
  4. Step 4: Simplify right side
    48,469.12x = 1,104,226,439.58
  5. Step 5: Solve for x
    x = 1,104,226,439.58/48,469.12
  6. Step 6: Final answer
    x = 22,782.06

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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.