Home / 103,865.77-155,819.61-32,799.50

Finding the Fourth Proportional to 103,865.77, 155,819.61 and 32,799.50

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Solution

The fourth proportional to 103,865.77, 155,819.61 and 32,799.50 is: 49,205.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,865.77 : 155,819.61 = 32,799.50 : x
  2. Step 2: Convert to fraction form
    103,865.77/155,819.61 = 32,799.50/x
  3. Step 3: Cross multiply
    103,865.77x = 155,819.61 × 32,799.50
  4. Step 4: Simplify right side
    103,865.77x = 5,110,805,687.74
  5. Step 5: Solve for x
    x = 5,110,805,687.74/103,865.77
  6. Step 6: Final answer
    x = 49,205.87

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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.