Home / 112,951.08-169,200.70-67,947.64

Finding the Fourth Proportional to 112,951.08, 169,200.70 and 67,947.64

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Solution

The fourth proportional to 112,951.08, 169,200.70 and 67,947.64 is: 101,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,951.08 : 169,200.70 = 67,947.64 : x
  2. Step 2: Convert to fraction form
    112,951.08/169,200.70 = 67,947.64/x
  3. Step 3: Cross multiply
    112,951.08x = 169,200.70 × 67,947.64
  4. Step 4: Simplify right side
    112,951.08x = 11,496,788,251.35
  5. Step 5: Solve for x
    x = 11,496,788,251.35/112,951.08
  6. Step 6: Final answer
    x = 101,785.55

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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.