Home / 101,854.20-140,556.67-56,529.52

Finding the Fourth Proportional to 101,854.20, 140,556.67 and 56,529.52

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Solution

The fourth proportional to 101,854.20, 140,556.67 and 56,529.52 is: 78,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,854.20 : 140,556.67 = 56,529.52 : x
  2. Step 2: Convert to fraction form
    101,854.20/140,556.67 = 56,529.52/x
  3. Step 3: Cross multiply
    101,854.20x = 140,556.67 × 56,529.52
  4. Step 4: Simplify right side
    101,854.20x = 7,945,601,087.90
  5. Step 5: Solve for x
    x = 7,945,601,087.90/101,854.20
  6. Step 6: Final answer
    x = 78,009.56

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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.