Home / 101,269.06-139,758.33-58,840.90

Finding the Fourth Proportional to 101,269.06, 139,758.33 and 58,840.90

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Solution

The fourth proportional to 101,269.06, 139,758.33 and 58,840.90 is: 81,204.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,269.06 : 139,758.33 = 58,840.90 : x
  2. Step 2: Convert to fraction form
    101,269.06/139,758.33 = 58,840.90/x
  3. Step 3: Cross multiply
    101,269.06x = 139,758.33 × 58,840.90
  4. Step 4: Simplify right side
    101,269.06x = 8,223,505,919.70
  5. Step 5: Solve for x
    x = 8,223,505,919.70/101,269.06
  6. Step 6: Final answer
    x = 81,204.53

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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.