Home / 90,542.70-124,963.62-50,269.32

Finding the Fourth Proportional to 90,542.70, 124,963.62 and 50,269.32

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Solution

The fourth proportional to 90,542.70, 124,963.62 and 50,269.32 is: 69,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,542.70 : 124,963.62 = 50,269.32 : x
  2. Step 2: Convert to fraction form
    90,542.70/124,963.62 = 50,269.32/x
  3. Step 3: Cross multiply
    90,542.70x = 124,963.62 × 50,269.32
  4. Step 4: Simplify right side
    90,542.70x = 6,281,836,202.14
  5. Step 5: Solve for x
    x = 6,281,836,202.14/90,542.70
  6. Step 6: Final answer
    x = 69,379.82

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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.