Home / 101,867.85-140,561.19-58,840.50

Finding the Fourth Proportional to 101,867.85, 140,561.19 and 58,840.50

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Solution

The fourth proportional to 101,867.85, 140,561.19 and 58,840.50 is: 81,190.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,867.85 : 140,561.19 = 58,840.50 : x
  2. Step 2: Convert to fraction form
    101,867.85/140,561.19 = 58,840.50/x
  3. Step 3: Cross multiply
    101,867.85x = 140,561.19 × 58,840.50
  4. Step 4: Simplify right side
    101,867.85x = 8,270,690,700.20
  5. Step 5: Solve for x
    x = 8,270,690,700.20/101,867.85
  6. Step 6: Final answer
    x = 81,190.39

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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.