Home / 50,564.02-75,845.42-13,120.76

Finding the Fourth Proportional to 50,564.02, 75,845.42 and 13,120.76

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Solution

The fourth proportional to 50,564.02, 75,845.42 and 13,120.76 is: 19,680.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,564.02 : 75,845.42 = 13,120.76 : x
  2. Step 2: Convert to fraction form
    50,564.02/75,845.42 = 13,120.76/x
  3. Step 3: Cross multiply
    50,564.02x = 75,845.42 × 13,120.76
  4. Step 4: Simplify right side
    50,564.02x = 995,149,552.92
  5. Step 5: Solve for x
    x = 995,149,552.92/50,564.02
  6. Step 6: Final answer
    x = 19,680.98

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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.