Home / 63,375.20-87,459.84-36,515.60

Finding the Fourth Proportional to 63,375.20, 87,459.84 and 36,515.60

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Solution

The fourth proportional to 63,375.20, 87,459.84 and 36,515.60 is: 50,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,375.20 : 87,459.84 = 36,515.60 : x
  2. Step 2: Convert to fraction form
    63,375.20/87,459.84 = 36,515.60/x
  3. Step 3: Cross multiply
    63,375.20x = 87,459.84 × 36,515.60
  4. Step 4: Simplify right side
    63,375.20x = 3,193,648,533.50
  5. Step 5: Solve for x
    x = 3,193,648,533.50/63,375.20
  6. Step 6: Final answer
    x = 50,392.72

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1.5x scale

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.