Home / 48,912.08-67,489.76-28,772.96

Finding the Fourth Proportional to 48,912.08, 67,489.76 and 28,772.96

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Solution

The fourth proportional to 48,912.08, 67,489.76 and 28,772.96 is: 39,701.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,912.08 : 67,489.76 = 28,772.96 : x
  2. Step 2: Convert to fraction form
    48,912.08/67,489.76 = 28,772.96/x
  3. Step 3: Cross multiply
    48,912.08x = 67,489.76 × 28,772.96
  4. Step 4: Simplify right side
    48,912.08x = 1,941,879,899.37
  5. Step 5: Solve for x
    x = 1,941,879,899.37/48,912.08
  6. Step 6: Final answer
    x = 39,701.44

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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.