Home / 47,990.43-72,009.95-32,375.25

Finding the Fourth Proportional to 47,990.43, 72,009.95 and 32,375.25

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Solution

The fourth proportional to 47,990.43, 72,009.95 and 32,375.25 is: 48,579.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,990.43 : 72,009.95 = 32,375.25 : x
  2. Step 2: Convert to fraction form
    47,990.43/72,009.95 = 32,375.25/x
  3. Step 3: Cross multiply
    47,990.43x = 72,009.95 × 32,375.25
  4. Step 4: Simplify right side
    47,990.43x = 2,331,339,971.86
  5. Step 5: Solve for x
    x = 2,331,339,971.86/47,990.43
  6. Step 6: Final answer
    x = 48,579.27

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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.