Home / 48,727.83-73,120.90-21,025.83

Finding the Fourth Proportional to 48,727.83, 73,120.90 and 21,025.83

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Solution

The fourth proportional to 48,727.83, 73,120.90 and 21,025.83 is: 31,551.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,727.83 : 73,120.90 = 21,025.83 : x
  2. Step 2: Convert to fraction form
    48,727.83/73,120.90 = 21,025.83/x
  3. Step 3: Cross multiply
    48,727.83x = 73,120.90 × 21,025.83
  4. Step 4: Simplify right side
    48,727.83x = 1,537,427,521.74
  5. Step 5: Solve for x
    x = 1,537,427,521.74/48,727.83
  6. Step 6: Final answer
    x = 31,551.32

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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.