Home / 92,814.24-128,083.68-50,372.76

Finding the Fourth Proportional to 92,814.24, 128,083.68 and 50,372.76

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Solution

The fourth proportional to 92,814.24, 128,083.68 and 50,372.76 is: 69,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,814.24 : 128,083.68 = 50,372.76 : x
  2. Step 2: Convert to fraction form
    92,814.24/128,083.68 = 50,372.76/x
  3. Step 3: Cross multiply
    92,814.24x = 128,083.68 × 50,372.76
  4. Step 4: Simplify right side
    92,814.24x = 6,451,928,472.56
  5. Step 5: Solve for x
    x = 6,451,928,472.56/92,814.24
  6. Step 6: Final answer
    x = 69,514.42

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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.