Home / 91,157.76-125,792.46-50,868.36

Finding the Fourth Proportional to 91,157.76, 125,792.46 and 50,868.36

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Solution

The fourth proportional to 91,157.76, 125,792.46 and 50,868.36 is: 70,195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,157.76 : 125,792.46 = 50,868.36 : x
  2. Step 2: Convert to fraction form
    91,157.76/125,792.46 = 50,868.36/x
  3. Step 3: Cross multiply
    91,157.76x = 125,792.46 × 50,868.36
  4. Step 4: Simplify right side
    91,157.76x = 6,398,856,140.57
  5. Step 5: Solve for x
    x = 6,398,856,140.57/91,157.76
  6. Step 6: Final answer
    x = 70,195.41

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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.