Home / 104,790.20-157,212.82-38,236.60

Finding the Fourth Proportional to 104,790.20, 157,212.82 and 38,236.60

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Solution

The fourth proportional to 104,790.20, 157,212.82 and 38,236.60 is: 57,364.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,790.20 : 157,212.82 = 38,236.60 : x
  2. Step 2: Convert to fraction form
    104,790.20/157,212.82 = 38,236.60/x
  3. Step 3: Cross multiply
    104,790.20x = 157,212.82 × 38,236.60
  4. Step 4: Simplify right side
    104,790.20x = 6,011,283,713.21
  5. Step 5: Solve for x
    x = 6,011,283,713.21/104,790.20
  6. Step 6: Final answer
    x = 57,364.94

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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.