Home / 48,998.98-67,623.61-28,862.20

Finding the Fourth Proportional to 48,998.98, 67,623.61 and 28,862.20

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Solution

The fourth proportional to 48,998.98, 67,623.61 and 28,862.20 is: 39,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,998.98 : 67,623.61 = 28,862.20 : x
  2. Step 2: Convert to fraction form
    48,998.98/67,623.61 = 28,862.20/x
  3. Step 3: Cross multiply
    48,998.98x = 67,623.61 × 28,862.20
  4. Step 4: Simplify right side
    48,998.98x = 1,951,765,818.42
  5. Step 5: Solve for x
    x = 1,951,765,818.42/48,998.98
  6. Step 6: Final answer
    x = 39,832.79

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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.