Home / 90,369.26-124,710.57-50,083.82

Finding the Fourth Proportional to 90,369.26, 124,710.57 and 50,083.82

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Solution

The fourth proportional to 90,369.26, 124,710.57 and 50,083.82 is: 69,116.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,369.26 : 124,710.57 = 50,083.82 : x
  2. Step 2: Convert to fraction form
    90,369.26/124,710.57 = 50,083.82/x
  3. Step 3: Cross multiply
    90,369.26x = 124,710.57 × 50,083.82
  4. Step 4: Simplify right side
    90,369.26x = 6,245,981,116.42
  5. Step 5: Solve for x
    x = 6,245,981,116.42/90,369.26
  6. Step 6: Final answer
    x = 69,116.22

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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.