Home / 45,608.25-68,356.21-32,389.05

Finding the Fourth Proportional to 45,608.25, 68,356.21 and 32,389.05

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Solution

The fourth proportional to 45,608.25, 68,356.21 and 32,389.05 is: 48,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,608.25 : 68,356.21 = 32,389.05 : x
  2. Step 2: Convert to fraction form
    45,608.25/68,356.21 = 32,389.05/x
  3. Step 3: Cross multiply
    45,608.25x = 68,356.21 × 32,389.05
  4. Step 4: Simplify right side
    45,608.25x = 2,213,992,703.50
  5. Step 5: Solve for x
    x = 2,213,992,703.50/45,608.25
  6. Step 6: Final answer
    x = 48,543.69

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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.