Home / 48,939.66-67,535.60-28,520.42

Finding the Fourth Proportional to 48,939.66, 67,535.60 and 28,520.42

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Solution

The fourth proportional to 48,939.66, 67,535.60 and 28,520.42 is: 39,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,939.66 : 67,535.60 = 28,520.42 : x
  2. Step 2: Convert to fraction form
    48,939.66/67,535.60 = 28,520.42/x
  3. Step 3: Cross multiply
    48,939.66x = 67,535.60 × 28,520.42
  4. Step 4: Simplify right side
    48,939.66x = 1,926,143,810.14
  5. Step 5: Solve for x
    x = 1,926,143,810.14/48,939.66
  6. Step 6: Final answer
    x = 39,357.52

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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.