Home / 87,527.82-131,258.52-28,347.60

Finding the Fourth Proportional to 87,527.82, 131,258.52 and 28,347.60

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Solution

The fourth proportional to 87,527.82, 131,258.52 and 28,347.60 is: 42,510.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,527.82 : 131,258.52 = 28,347.60 : x
  2. Step 2: Convert to fraction form
    87,527.82/131,258.52 = 28,347.60/x
  3. Step 3: Cross multiply
    87,527.82x = 131,258.52 × 28,347.60
  4. Step 4: Simplify right side
    87,527.82x = 3,720,864,021.55
  5. Step 5: Solve for x
    x = 3,720,864,021.55/87,527.82
  6. Step 6: Final answer
    x = 42,510.64

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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.