Home / 112,958.08-169,427.86-38,076.60

Finding the Fourth Proportional to 112,958.08, 169,427.86 and 38,076.60

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Solution

The fourth proportional to 112,958.08, 169,427.86 and 38,076.60 is: 57,111.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,958.08 : 169,427.86 = 38,076.60 : x
  2. Step 2: Convert to fraction form
    112,958.08/169,427.86 = 38,076.60/x
  3. Step 3: Cross multiply
    112,958.08x = 169,427.86 × 38,076.60
  4. Step 4: Simplify right side
    112,958.08x = 6,451,236,854.08
  5. Step 5: Solve for x
    x = 6,451,236,854.08/112,958.08
  6. Step 6: Final answer
    x = 57,111.78

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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.