Home / 72,845.48-109,021.34-44,783.38

Finding the Fourth Proportional to 72,845.48, 109,021.34 and 44,783.38

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Solution

The fourth proportional to 72,845.48, 109,021.34 and 44,783.38 is: 67,023.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,845.48 : 109,021.34 = 44,783.38 : x
  2. Step 2: Convert to fraction form
    72,845.48/109,021.34 = 44,783.38/x
  3. Step 3: Cross multiply
    72,845.48x = 109,021.34 × 44,783.38
  4. Step 4: Simplify right side
    72,845.48x = 4,882,344,345.56
  5. Step 5: Solve for x
    x = 4,882,344,345.56/72,845.48
  6. Step 6: Final answer
    x = 67,023.30

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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.