Home / 103,691.30-155,556.15-33,572.90

Finding the Fourth Proportional to 103,691.30, 155,556.15 and 33,572.90

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Solution

The fourth proportional to 103,691.30, 155,556.15 and 33,572.90 is: 50,365.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,691.30 : 155,556.15 = 33,572.90 : x
  2. Step 2: Convert to fraction form
    103,691.30/155,556.15 = 33,572.90/x
  3. Step 3: Cross multiply
    103,691.30x = 155,556.15 × 33,572.90
  4. Step 4: Simplify right side
    103,691.30x = 5,222,471,068.34
  5. Step 5: Solve for x
    x = 5,222,471,068.34/103,691.30
  6. Step 6: Final answer
    x = 50,365.57

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1.5x scale

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.