Home / 85,930.61-118,598.49-50,120.61

Finding the Fourth Proportional to 85,930.61, 118,598.49 and 50,120.61

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Solution

The fourth proportional to 85,930.61, 118,598.49 and 50,120.61 is: 69,174.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,930.61 : 118,598.49 = 50,120.61 : x
  2. Step 2: Convert to fraction form
    85,930.61/118,598.49 = 50,120.61/x
  3. Step 3: Cross multiply
    85,930.61x = 118,598.49 × 50,120.61
  4. Step 4: Simplify right side
    85,930.61x = 5,944,229,078.85
  5. Step 5: Solve for x
    x = 5,944,229,078.85/85,930.61
  6. Step 6: Final answer
    x = 69,174.76

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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.