Home / 92,743.20-139,112.48-50,664.16

Finding the Fourth Proportional to 92,743.20, 139,112.48 and 50,664.16

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Solution

The fourth proportional to 92,743.20, 139,112.48 and 50,664.16 is: 75,994.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,743.20 : 139,112.48 = 50,664.16 : x
  2. Step 2: Convert to fraction form
    92,743.20/139,112.48 = 50,664.16/x
  3. Step 3: Cross multiply
    92,743.20x = 139,112.48 × 50,664.16
  4. Step 4: Simplify right side
    92,743.20x = 7,048,016,944.72
  5. Step 5: Solve for x
    x = 7,048,016,944.72/92,743.20
  6. Step 6: Final answer
    x = 75,994.97

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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.