Home / 80,503.86-111,095.73-50,306.73

Finding the Fourth Proportional to 80,503.86, 111,095.73 and 50,306.73

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Solution

The fourth proportional to 80,503.86, 111,095.73 and 50,306.73 is: 69,423.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,503.86 : 111,095.73 = 50,306.73 : x
  2. Step 2: Convert to fraction form
    80,503.86/111,095.73 = 50,306.73/x
  3. Step 3: Cross multiply
    80,503.86x = 111,095.73 × 50,306.73
  4. Step 4: Simplify right side
    80,503.86x = 5,588,862,893.26
  5. Step 5: Solve for x
    x = 5,588,862,893.26/80,503.86
  6. Step 6: Final answer
    x = 69,423.54

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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.