Home / 90,363.53-124,706.67-50,076.45

Finding the Fourth Proportional to 90,363.53, 124,706.67 and 50,076.45

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Solution

The fourth proportional to 90,363.53, 124,706.67 and 50,076.45 is: 69,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,363.53 : 124,706.67 = 50,076.45 : x
  2. Step 2: Convert to fraction form
    90,363.53/124,706.67 = 50,076.45/x
  3. Step 3: Cross multiply
    90,363.53x = 124,706.67 × 50,076.45
  4. Step 4: Simplify right side
    90,363.53x = 6,244,867,074.54
  5. Step 5: Solve for x
    x = 6,244,867,074.54/90,363.53
  6. Step 6: Final answer
    x = 69,108.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.