Home / 103,678.76-155,516.31-33,558.14

Finding the Fourth Proportional to 103,678.76, 155,516.31 and 33,558.14

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Solution

The fourth proportional to 103,678.76, 155,516.31 and 33,558.14 is: 50,336.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,678.76 : 155,516.31 = 33,558.14 : x
  2. Step 2: Convert to fraction form
    103,678.76/155,516.31 = 33,558.14/x
  3. Step 3: Cross multiply
    103,678.76x = 155,516.31 × 33,558.14
  4. Step 4: Simplify right side
    103,678.76x = 5,218,838,103.26
  5. Step 5: Solve for x
    x = 5,218,838,103.26/103,678.76
  6. Step 6: Final answer
    x = 50,336.62

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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.