Home / 112,967.20-169,340.60-53,786.96

Finding the Fourth Proportional to 112,967.20, 169,340.60 and 53,786.96

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Solution

The fourth proportional to 112,967.20, 169,340.60 and 53,786.96 is: 80,627.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,967.20 : 169,340.60 = 53,786.96 : x
  2. Step 2: Convert to fraction form
    112,967.20/169,340.60 = 53,786.96/x
  3. Step 3: Cross multiply
    112,967.20x = 169,340.60 × 53,786.96
  4. Step 4: Simplify right side
    112,967.20x = 9,108,316,078.58
  5. Step 5: Solve for x
    x = 9,108,316,078.58/112,967.20
  6. Step 6: Final answer
    x = 80,627.97

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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.