Home / 87,627.63-131,497.35-31,466.55

Finding the Fourth Proportional to 87,627.63, 131,497.35 and 31,466.55

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Solution

The fourth proportional to 87,627.63, 131,497.35 and 31,466.55 is: 47,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,627.63 : 131,497.35 = 31,466.55 : x
  2. Step 2: Convert to fraction form
    87,627.63/131,497.35 = 31,466.55/x
  3. Step 3: Cross multiply
    87,627.63x = 131,497.35 × 31,466.55
  4. Step 4: Simplify right side
    87,627.63x = 4,137,767,938.64
  5. Step 5: Solve for x
    x = 4,137,767,938.64/87,627.63
  6. Step 6: Final answer
    x = 47,219.90

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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.