Home / 103,680.70-155,545.68-33,559.96

Finding the Fourth Proportional to 103,680.70, 155,545.68 and 33,559.96

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Solution

The fourth proportional to 103,680.70, 155,545.68 and 33,559.96 is: 50,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,680.70 : 155,545.68 = 33,559.96 : x
  2. Step 2: Convert to fraction form
    103,680.70/155,545.68 = 33,559.96/x
  3. Step 3: Cross multiply
    103,680.70x = 155,545.68 × 33,559.96
  4. Step 4: Simplify right side
    103,680.70x = 5,220,106,798.97
  5. Step 5: Solve for x
    x = 5,220,106,798.97/103,680.70
  6. Step 6: Final answer
    x = 50,347.91

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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.