Home / 80,503.08-120,803.76-50,880.12

Finding the Fourth Proportional to 80,503.08, 120,803.76 and 50,880.12

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Solution

The fourth proportional to 80,503.08, 120,803.76 and 50,880.12 is: 76,351.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,503.08 : 120,803.76 = 50,880.12 : x
  2. Step 2: Convert to fraction form
    80,503.08/120,803.76 = 50,880.12/x
  3. Step 3: Cross multiply
    80,503.08x = 120,803.76 × 50,880.12
  4. Step 4: Simplify right side
    80,503.08x = 6,146,509,805.25
  5. Step 5: Solve for x
    x = 6,146,509,805.25/80,503.08
  6. Step 6: Final answer
    x = 76,351.24

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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.