Home / 110,221.14-152,106.45-61,163.77

Finding the Fourth Proportional to 110,221.14, 152,106.45 and 61,163.77

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Solution

The fourth proportional to 110,221.14, 152,106.45 and 61,163.77 is: 84,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,221.14 : 152,106.45 = 61,163.77 : x
  2. Step 2: Convert to fraction form
    110,221.14/152,106.45 = 61,163.77/x
  3. Step 3: Cross multiply
    110,221.14x = 152,106.45 × 61,163.77
  4. Step 4: Simplify right side
    110,221.14x = 9,303,403,600.39
  5. Step 5: Solve for x
    x = 9,303,403,600.39/110,221.14
  6. Step 6: Final answer
    x = 84,406.71

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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.