Home / 76,945.80-106,229.37-58,652.91

Finding the Fourth Proportional to 76,945.80, 106,229.37 and 58,652.91

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Solution

The fourth proportional to 76,945.80, 106,229.37 and 58,652.91 is: 80,974.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,945.80 : 106,229.37 = 58,652.91 : x
  2. Step 2: Convert to fraction form
    76,945.80/106,229.37 = 58,652.91/x
  3. Step 3: Cross multiply
    76,945.80x = 106,229.37 × 58,652.91
  4. Step 4: Simplify right side
    76,945.80x = 6,230,661,897.92
  5. Step 5: Solve for x
    x = 6,230,661,897.92/76,945.80
  6. Step 6: Final answer
    x = 80,974.69

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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.