Home / 80,503.86-111,095.74-50,306.74

Finding the Fourth Proportional to 80,503.86, 111,095.74 and 50,306.74

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Solution

The fourth proportional to 80,503.86, 111,095.74 and 50,306.74 is: 69,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,503.86 : 111,095.74 = 50,306.74 : x
  2. Step 2: Convert to fraction form
    80,503.86/111,095.74 = 50,306.74/x
  3. Step 3: Cross multiply
    80,503.86x = 111,095.74 × 50,306.74
  4. Step 4: Simplify right side
    80,503.86x = 5,588,864,507.29
  5. Step 5: Solve for x
    x = 5,588,864,507.29/80,503.86
  6. Step 6: Final answer
    x = 69,423.56

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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.