Home / 56,671.24-85,000.38-15,121.48

Finding the Fourth Proportional to 56,671.24, 85,000.38 and 15,121.48

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Solution

The fourth proportional to 56,671.24, 85,000.38 and 15,121.48 is: 22,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,671.24 : 85,000.38 = 15,121.48 : x
  2. Step 2: Convert to fraction form
    56,671.24/85,000.38 = 15,121.48/x
  3. Step 3: Cross multiply
    56,671.24x = 85,000.38 × 15,121.48
  4. Step 4: Simplify right side
    56,671.24x = 1,285,331,546.16
  5. Step 5: Solve for x
    x = 1,285,331,546.16/56,671.24
  6. Step 6: Final answer
    x = 22,680.49

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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.