Home / 52,694.75-72,720.18-31,486.32

Finding the Fourth Proportional to 52,694.75, 72,720.18 and 31,486.32

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Solution

The fourth proportional to 52,694.75, 72,720.18 and 31,486.32 is: 43,451.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,694.75 : 72,720.18 = 31,486.32 : x
  2. Step 2: Convert to fraction form
    52,694.75/72,720.18 = 31,486.32/x
  3. Step 3: Cross multiply
    52,694.75x = 72,720.18 × 31,486.32
  4. Step 4: Simplify right side
    52,694.75x = 2,289,690,857.94
  5. Step 5: Solve for x
    x = 2,289,690,857.94/52,694.75
  6. Step 6: Final answer
    x = 43,451.97

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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.