Home / 101,830.26-140,532.42-58,811.58

Finding the Fourth Proportional to 101,830.26, 140,532.42 and 58,811.58

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Solution

The fourth proportional to 101,830.26, 140,532.42 and 58,811.58 is: 81,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,830.26 : 140,532.42 = 58,811.58 : x
  2. Step 2: Convert to fraction form
    101,830.26/140,532.42 = 58,811.58/x
  3. Step 3: Cross multiply
    101,830.26x = 140,532.42 × 58,811.58
  4. Step 4: Simplify right side
    101,830.26x = 8,264,933,661.42
  5. Step 5: Solve for x
    x = 8,264,933,661.42/101,830.26
  6. Step 6: Final answer
    x = 81,163.83

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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.