Home / 103,680.06-155,545.64-33,559.38

Finding the Fourth Proportional to 103,680.06, 155,545.64 and 33,559.38

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Solution

The fourth proportional to 103,680.06, 155,545.64 and 33,559.38 is: 50,347.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,680.06 : 155,545.64 = 33,559.38 : x
  2. Step 2: Convert to fraction form
    103,680.06/155,545.64 = 33,559.38/x
  3. Step 3: Cross multiply
    103,680.06x = 155,545.64 × 33,559.38
  4. Step 4: Simplify right side
    103,680.06x = 5,220,015,240.10
  5. Step 5: Solve for x
    x = 5,220,015,240.10/103,680.06
  6. Step 6: Final answer
    x = 50,347.34

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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.