Home / 109,178.60-163,759.26-39,050.60

Finding the Fourth Proportional to 109,178.60, 163,759.26 and 39,050.60

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Solution

The fourth proportional to 109,178.60, 163,759.26 and 39,050.60 is: 58,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,178.60 : 163,759.26 = 39,050.60 : x
  2. Step 2: Convert to fraction form
    109,178.60/163,759.26 = 39,050.60/x
  3. Step 3: Cross multiply
    109,178.60x = 163,759.26 × 39,050.60
  4. Step 4: Simplify right side
    109,178.60x = 6,394,897,358.56
  5. Step 5: Solve for x
    x = 6,394,897,358.56/109,178.60
  6. Step 6: Final answer
    x = 58,572.81

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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.