Home / 48,619.72-67,095.30-28,205.74

Finding the Fourth Proportional to 48,619.72, 67,095.30 and 28,205.74

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Solution

The fourth proportional to 48,619.72, 67,095.30 and 28,205.74 is: 38,923.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,619.72 : 67,095.30 = 28,205.74 : x
  2. Step 2: Convert to fraction form
    48,619.72/67,095.30 = 28,205.74/x
  3. Step 3: Cross multiply
    48,619.72x = 67,095.30 × 28,205.74
  4. Step 4: Simplify right side
    48,619.72x = 1,892,472,587.02
  5. Step 5: Solve for x
    x = 1,892,472,587.02/48,619.72
  6. Step 6: Final answer
    x = 38,923.97

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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.