Home / 48,936.12-67,528.64-28,789.11

Finding the Fourth Proportional to 48,936.12, 67,528.64 and 28,789.11

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Solution

The fourth proportional to 48,936.12, 67,528.64 and 28,789.11 is: 39,727.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,936.12 : 67,528.64 = 28,789.11 : x
  2. Step 2: Convert to fraction form
    48,936.12/67,528.64 = 28,789.11/x
  3. Step 3: Cross multiply
    48,936.12x = 67,528.64 × 28,789.11
  4. Step 4: Simplify right side
    48,936.12x = 1,944,089,317.83
  5. Step 5: Solve for x
    x = 1,944,089,317.83/48,936.12
  6. Step 6: Final answer
    x = 39,727.08

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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.