Home / 75,538.72-104,063.34-52,835.20

Finding the Fourth Proportional to 75,538.72, 104,063.34 and 52,835.20

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Solution

The fourth proportional to 75,538.72, 104,063.34 and 52,835.20 is: 72,786.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,538.72 : 104,063.34 = 52,835.20 : x
  2. Step 2: Convert to fraction form
    75,538.72/104,063.34 = 52,835.20/x
  3. Step 3: Cross multiply
    75,538.72x = 104,063.34 × 52,835.20
  4. Step 4: Simplify right side
    75,538.72x = 5,498,207,381.57
  5. Step 5: Solve for x
    x = 5,498,207,381.57/75,538.72
  6. Step 6: Final answer
    x = 72,786.61

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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.