Home / 101,564.72-140,140.66-58,536.44

Finding the Fourth Proportional to 101,564.72, 140,140.66 and 58,536.44

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Solution

The fourth proportional to 101,564.72, 140,140.66 and 58,536.44 is: 80,769.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,564.72 : 140,140.66 = 58,536.44 : x
  2. Step 2: Convert to fraction form
    101,564.72/140,140.66 = 58,536.44/x
  3. Step 3: Cross multiply
    101,564.72x = 140,140.66 × 58,536.44
  4. Step 4: Simplify right side
    101,564.72x = 8,203,335,335.65
  5. Step 5: Solve for x
    x = 8,203,335,335.65/101,564.72
  6. Step 6: Final answer
    x = 80,769.54

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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.