Home / 80,655.84-111,270.24-50,388.48

Finding the Fourth Proportional to 80,655.84, 111,270.24 and 50,388.48

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Solution

The fourth proportional to 80,655.84, 111,270.24 and 50,388.48 is: 69,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,655.84 : 111,270.24 = 50,388.48 : x
  2. Step 2: Convert to fraction form
    80,655.84/111,270.24 = 50,388.48/x
  3. Step 3: Cross multiply
    80,655.84x = 111,270.24 × 50,388.48
  4. Step 4: Simplify right side
    80,655.84x = 5,606,738,262.84
  5. Step 5: Solve for x
    x = 5,606,738,262.84/80,655.84
  6. Step 6: Final answer
    x = 69,514.35

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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.