Home / 112,818.80-169,163.40-33,921.20

Finding the Fourth Proportional to 112,818.80, 169,163.40 and 33,921.20

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Solution

The fourth proportional to 112,818.80, 169,163.40 and 33,921.20 is: 50,862.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,818.80 : 169,163.40 = 33,921.20 : x
  2. Step 2: Convert to fraction form
    112,818.80/169,163.40 = 33,921.20/x
  3. Step 3: Cross multiply
    112,818.80x = 169,163.40 × 33,921.20
  4. Step 4: Simplify right side
    112,818.80x = 5,738,225,524.08
  5. Step 5: Solve for x
    x = 5,738,225,524.08/112,818.80
  6. Step 6: Final answer
    x = 50,862.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.