Home / 48,996.18-67,618.60-28,856.98

Finding the Fourth Proportional to 48,996.18, 67,618.60 and 28,856.98

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Solution

The fourth proportional to 48,996.18, 67,618.60 and 28,856.98 is: 39,824.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,996.18 : 67,618.60 = 28,856.98 : x
  2. Step 2: Convert to fraction form
    48,996.18/67,618.60 = 28,856.98/x
  3. Step 3: Cross multiply
    48,996.18x = 67,618.60 × 28,856.98
  4. Step 4: Simplify right side
    48,996.18x = 1,951,268,587.83
  5. Step 5: Solve for x
    x = 1,951,268,587.83/48,996.18
  6. Step 6: Final answer
    x = 39,824.91

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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.