Home / 73,255.85-110,432.83-68,373.32

Finding the Fourth Proportional to 73,255.85, 110,432.83 and 68,373.32

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Solution

The fourth proportional to 73,255.85, 110,432.83 and 68,373.32 is: 103,072.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,255.85 : 110,432.83 = 68,373.32 : x
  2. Step 2: Convert to fraction form
    73,255.85/110,432.83 = 68,373.32/x
  3. Step 3: Cross multiply
    73,255.85x = 110,432.83 × 68,373.32
  4. Step 4: Simplify right side
    73,255.85x = 7,550,659,224.10
  5. Step 5: Solve for x
    x = 7,550,659,224.10/73,255.85
  6. Step 6: Final answer
    x = 103,072.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.