Home / 48,578.13-72,856.26-31,705.83

Finding the Fourth Proportional to 48,578.13, 72,856.26 and 31,705.83

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Solution

The fourth proportional to 48,578.13, 72,856.26 and 31,705.83 is: 47,551.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,578.13 : 72,856.26 = 31,705.83 : x
  2. Step 2: Convert to fraction form
    48,578.13/72,856.26 = 31,705.83/x
  3. Step 3: Cross multiply
    48,578.13x = 72,856.26 × 31,705.83
  4. Step 4: Simplify right side
    48,578.13x = 2,309,968,194.00
  5. Step 5: Solve for x
    x = 2,309,968,194.00/48,578.13
  6. Step 6: Final answer
    x = 47,551.61

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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.