Home / 56,915.20-85,315.20-33,529.60

Finding the Fourth Proportional to 56,915.20, 85,315.20 and 33,529.60

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Solution

The fourth proportional to 56,915.20, 85,315.20 and 33,529.60 is: 50,260.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,915.20 : 85,315.20 = 33,529.60 : x
  2. Step 2: Convert to fraction form
    56,915.20/85,315.20 = 33,529.60/x
  3. Step 3: Cross multiply
    56,915.20x = 85,315.20 × 33,529.60
  4. Step 4: Simplify right side
    56,915.20x = 2,860,584,529.92
  5. Step 5: Solve for x
    x = 2,860,584,529.92/56,915.20
  6. Step 6: Final answer
    x = 50,260.47

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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.