Home / 87,852.24-131,785.56-28,686.60

Finding the Fourth Proportional to 87,852.24, 131,785.56 and 28,686.60

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Solution

The fourth proportional to 87,852.24, 131,785.56 and 28,686.60 is: 43,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,852.24 : 131,785.56 = 28,686.60 : x
  2. Step 2: Convert to fraction form
    87,852.24/131,785.56 = 28,686.60/x
  3. Step 3: Cross multiply
    87,852.24x = 131,785.56 × 28,686.60
  4. Step 4: Simplify right side
    87,852.24x = 3,780,479,645.50
  5. Step 5: Solve for x
    x = 3,780,479,645.50/87,852.24
  6. Step 6: Final answer
    x = 43,032.25

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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.