Home / 112,806-169,219.45-36,904.96

Finding the Fourth Proportional to 112,806, 169,219.45 and 36,904.96

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Solution

The fourth proportional to 112,806, 169,219.45 and 36,904.96 is: 55,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,806 : 169,219.45 = 36,904.96 : x
  2. Step 2: Convert to fraction form
    112,806/169,219.45 = 36,904.96/x
  3. Step 3: Cross multiply
    112,806x = 169,219.45 × 36,904.96
  4. Step 4: Simplify right side
    112,806x = 6,245,037,033.47
  5. Step 5: Solve for x
    x = 6,245,037,033.47/112,806
  6. Step 6: Final answer
    x = 55,360.86

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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.