Home / 100,671.78-151,004.18-25,792.55

Finding the Fourth Proportional to 100,671.78, 151,004.18 and 25,792.55

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Solution

The fourth proportional to 100,671.78, 151,004.18 and 25,792.55 is: 38,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,671.78 : 151,004.18 = 25,792.55 : x
  2. Step 2: Convert to fraction form
    100,671.78/151,004.18 = 25,792.55/x
  3. Step 3: Cross multiply
    100,671.78x = 151,004.18 × 25,792.55
  4. Step 4: Simplify right side
    100,671.78x = 3,894,782,738.59
  5. Step 5: Solve for x
    x = 3,894,782,738.59/100,671.78
  6. Step 6: Final answer
    x = 38,687.93

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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.