Home / 87,928.56-131,599.08-52,274.16

Finding the Fourth Proportional to 87,928.56, 131,599.08 and 52,274.16

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Solution

The fourth proportional to 87,928.56, 131,599.08 and 52,274.16 is: 78,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,928.56 : 131,599.08 = 52,274.16 : x
  2. Step 2: Convert to fraction form
    87,928.56/131,599.08 = 52,274.16/x
  3. Step 3: Cross multiply
    87,928.56x = 131,599.08 × 52,274.16
  4. Step 4: Simplify right side
    87,928.56x = 6,879,231,363.77
  5. Step 5: Solve for x
    x = 6,879,231,363.77/87,928.56
  6. Step 6: Final answer
    x = 78,236.60

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1.5x scale

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.