Home / 101,917.73-140,636.21-59,500.87

Finding the Fourth Proportional to 101,917.73, 140,636.21 and 59,500.87

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Solution

The fourth proportional to 101,917.73, 140,636.21 and 59,500.87 is: 82,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,917.73 : 140,636.21 = 59,500.87 : x
  2. Step 2: Convert to fraction form
    101,917.73/140,636.21 = 59,500.87/x
  3. Step 3: Cross multiply
    101,917.73x = 140,636.21 × 59,500.87
  4. Step 4: Simplify right side
    101,917.73x = 8,367,976,199.41
  5. Step 5: Solve for x
    x = 8,367,976,199.41/101,917.73
  6. Step 6: Final answer
    x = 82,105.20

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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.