Home / 90,371.78-124,709.66-50,086.23

Finding the Fourth Proportional to 90,371.78, 124,709.66 and 50,086.23

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Solution

The fourth proportional to 90,371.78, 124,709.66 and 50,086.23 is: 69,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,371.78 : 124,709.66 = 50,086.23 : x
  2. Step 2: Convert to fraction form
    90,371.78/124,709.66 = 50,086.23/x
  3. Step 3: Cross multiply
    90,371.78x = 124,709.66 × 50,086.23
  4. Step 4: Simplify right side
    90,371.78x = 6,246,236,183.71
  5. Step 5: Solve for x
    x = 6,246,236,183.71/90,371.78
  6. Step 6: Final answer
    x = 69,117.11

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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.