Home / 58,722.97-88,081.32-20,769.61

Finding the Fourth Proportional to 58,722.97, 88,081.32 and 20,769.61

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Solution

The fourth proportional to 58,722.97, 88,081.32 and 20,769.61 is: 31,153.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,722.97 : 88,081.32 = 20,769.61 : x
  2. Step 2: Convert to fraction form
    58,722.97/88,081.32 = 20,769.61/x
  3. Step 3: Cross multiply
    58,722.97x = 88,081.32 × 20,769.61
  4. Step 4: Simplify right side
    58,722.97x = 1,829,414,664.69
  5. Step 5: Solve for x
    x = 1,829,414,664.69/58,722.97
  6. Step 6: Final answer
    x = 31,153.31

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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.