Home / 80,605.28-111,200.74-50,338.08

Finding the Fourth Proportional to 80,605.28, 111,200.74 and 50,338.08

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Solution

The fourth proportional to 80,605.28, 111,200.74 and 50,338.08 is: 69,444.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,605.28 : 111,200.74 = 50,338.08 : x
  2. Step 2: Convert to fraction form
    80,605.28/111,200.74 = 50,338.08/x
  3. Step 3: Cross multiply
    80,605.28x = 111,200.74 × 50,338.08
  4. Step 4: Simplify right side
    80,605.28x = 5,597,631,746.18
  5. Step 5: Solve for x
    x = 5,597,631,746.18/80,605.28
  6. Step 6: Final answer
    x = 69,444.98

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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.