Home / 87,648.07-120,954.32-47,361.83

Finding the Fourth Proportional to 87,648.07, 120,954.32 and 47,361.83

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Solution

The fourth proportional to 87,648.07, 120,954.32 and 47,361.83 is: 65,359.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,648.07 : 120,954.32 = 47,361.83 : x
  2. Step 2: Convert to fraction form
    87,648.07/120,954.32 = 47,361.83/x
  3. Step 3: Cross multiply
    87,648.07x = 120,954.32 × 47,361.83
  4. Step 4: Simplify right side
    87,648.07x = 5,728,618,060.01
  5. Step 5: Solve for x
    x = 5,728,618,060.01/87,648.07
  6. Step 6: Final answer
    x = 65,359.32

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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.