Home / 72,553.12-100,042.49-47,025.97

Finding the Fourth Proportional to 72,553.12, 100,042.49 and 47,025.97

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Solution

The fourth proportional to 72,553.12, 100,042.49 and 47,025.97 is: 64,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,553.12 : 100,042.49 = 47,025.97 : x
  2. Step 2: Convert to fraction form
    72,553.12/100,042.49 = 47,025.97/x
  3. Step 3: Cross multiply
    72,553.12x = 100,042.49 × 47,025.97
  4. Step 4: Simplify right side
    72,553.12x = 4,704,595,000.92
  5. Step 5: Solve for x
    x = 4,704,595,000.92/72,553.12
  6. Step 6: Final answer
    x = 64,843.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.