Home / 101,351.64-139,877.43-58,910.18

Finding the Fourth Proportional to 101,351.64, 139,877.43 and 58,910.18

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Solution

The fourth proportional to 101,351.64, 139,877.43 and 58,910.18 is: 81,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,351.64 : 139,877.43 = 58,910.18 : x
  2. Step 2: Convert to fraction form
    101,351.64/139,877.43 = 58,910.18/x
  3. Step 3: Cross multiply
    101,351.64x = 139,877.43 × 58,910.18
  4. Step 4: Simplify right side
    101,351.64x = 8,240,203,879.85
  5. Step 5: Solve for x
    x = 8,240,203,879.85/101,351.64
  6. Step 6: Final answer
    x = 81,303.11

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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.