Home / 73,255.35-110,432.08-68,372.82

Finding the Fourth Proportional to 73,255.35, 110,432.08 and 68,372.82

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Solution

The fourth proportional to 73,255.35, 110,432.08 and 68,372.82 is: 103,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,255.35 : 110,432.08 = 68,372.82 : x
  2. Step 2: Convert to fraction form
    73,255.35/110,432.08 = 68,372.82/x
  3. Step 3: Cross multiply
    73,255.35x = 110,432.08 × 68,372.82
  4. Step 4: Simplify right side
    73,255.35x = 7,550,552,728.07
  5. Step 5: Solve for x
    x = 7,550,552,728.07/73,255.35
  6. Step 6: Final answer
    x = 103,071.69

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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.