Home / 109,231.58-150,703.52-89,053.77

Finding the Fourth Proportional to 109,231.58, 150,703.52 and 89,053.77

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Solution

The fourth proportional to 109,231.58, 150,703.52 and 89,053.77 is: 122,864.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,231.58 : 150,703.52 = 89,053.77 : x
  2. Step 2: Convert to fraction form
    109,231.58/150,703.52 = 89,053.77/x
  3. Step 3: Cross multiply
    109,231.58x = 150,703.52 × 89,053.77
  4. Step 4: Simplify right side
    109,231.58x = 13,420,716,163.00
  5. Step 5: Solve for x
    x = 13,420,716,163.00/109,231.58
  6. Step 6: Final answer
    x = 122,864.81

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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.