Home / 68,432.05-93,750.34-65,873.53

Finding the Fourth Proportional to 68,432.05, 93,750.34 and 65,873.53

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Solution

The fourth proportional to 68,432.05, 93,750.34 and 65,873.53 is: 90,245.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,432.05 : 93,750.34 = 65,873.53 : x
  2. Step 2: Convert to fraction form
    68,432.05/93,750.34 = 65,873.53/x
  3. Step 3: Cross multiply
    68,432.05x = 93,750.34 × 65,873.53
  4. Step 4: Simplify right side
    68,432.05x = 6,175,665,847.15
  5. Step 5: Solve for x
    x = 6,175,665,847.15/68,432.05
  6. Step 6: Final answer
    x = 90,245.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.