Home / 52,305.92-72,192.66-31,081.09

Finding the Fourth Proportional to 52,305.92, 72,192.66 and 31,081.09

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Solution

The fourth proportional to 52,305.92, 72,192.66 and 31,081.09 is: 42,898.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,305.92 : 72,192.66 = 31,081.09 : x
  2. Step 2: Convert to fraction form
    52,305.92/72,192.66 = 31,081.09/x
  3. Step 3: Cross multiply
    52,305.92x = 72,192.66 × 31,081.09
  4. Step 4: Simplify right side
    52,305.92x = 2,243,826,562.80
  5. Step 5: Solve for x
    x = 2,243,826,562.80/52,305.92
  6. Step 6: Final answer
    x = 42,898.14

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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.