Home / 48,390.68-66,775.42-27,165.80

Finding the Fourth Proportional to 48,390.68, 66,775.42 and 27,165.80

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Solution

The fourth proportional to 48,390.68, 66,775.42 and 27,165.80 is: 37,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,390.68 : 66,775.42 = 27,165.80 : x
  2. Step 2: Convert to fraction form
    48,390.68/66,775.42 = 27,165.80/x
  3. Step 3: Cross multiply
    48,390.68x = 66,775.42 × 27,165.80
  4. Step 4: Simplify right side
    48,390.68x = 1,814,007,704.64
  5. Step 5: Solve for x
    x = 1,814,007,704.64/48,390.68
  6. Step 6: Final answer
    x = 37,486.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.