Home / 101,849.82-140,550.64-56,525.17

Finding the Fourth Proportional to 101,849.82, 140,550.64 and 56,525.17

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Solution

The fourth proportional to 101,849.82, 140,550.64 and 56,525.17 is: 78,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,849.82 : 140,550.64 = 56,525.17 : x
  2. Step 2: Convert to fraction form
    101,849.82/140,550.64 = 56,525.17/x
  3. Step 3: Cross multiply
    101,849.82x = 140,550.64 × 56,525.17
  4. Step 4: Simplify right side
    101,849.82x = 7,944,648,326.92
  5. Step 5: Solve for x
    x = 7,944,648,326.92/101,849.82
  6. Step 6: Final answer
    x = 78,003.56

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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.