Home / 49,138.66-67,802.85-28,994.02

Finding the Fourth Proportional to 49,138.66, 67,802.85 and 28,994.02

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Solution

The fourth proportional to 49,138.66, 67,802.85 and 28,994.02 is: 40,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,138.66 : 67,802.85 = 28,994.02 : x
  2. Step 2: Convert to fraction form
    49,138.66/67,802.85 = 28,994.02/x
  3. Step 3: Cross multiply
    49,138.66x = 67,802.85 × 28,994.02
  4. Step 4: Simplify right side
    49,138.66x = 1,965,877,188.96
  5. Step 5: Solve for x
    x = 1,965,877,188.96/49,138.66
  6. Step 6: Final answer
    x = 40,006.73

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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.