Home / 90,993.57-125,572.37-52,755.90

Finding the Fourth Proportional to 90,993.57, 125,572.37 and 52,755.90

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Solution

The fourth proportional to 90,993.57, 125,572.37 and 52,755.90 is: 72,803.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,993.57 : 125,572.37 = 52,755.90 : x
  2. Step 2: Convert to fraction form
    90,993.57/125,572.37 = 52,755.90/x
  3. Step 3: Cross multiply
    90,993.57x = 125,572.37 × 52,755.90
  4. Step 4: Simplify right side
    90,993.57x = 6,624,683,394.48
  5. Step 5: Solve for x
    x = 6,624,683,394.48/90,993.57
  6. Step 6: Final answer
    x = 72,803.86

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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.