Home / 75,738.80-104,433.36-62,084

Finding the Fourth Proportional to 75,738.80, 104,433.36 and 62,084

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Solution

The fourth proportional to 75,738.80, 104,433.36 and 62,084 is: 85,605.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,738.80 : 104,433.36 = 62,084 : x
  2. Step 2: Convert to fraction form
    75,738.80/104,433.36 = 62,084/x
  3. Step 3: Cross multiply
    75,738.80x = 104,433.36 × 62,084
  4. Step 4: Simplify right side
    75,738.80x = 6,483,640,722.24
  5. Step 5: Solve for x
    x = 6,483,640,722.24/75,738.80
  6. Step 6: Final answer
    x = 85,605.27

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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.