Home / 90,355.38-124,691.16-50,069.82

Finding the Fourth Proportional to 90,355.38, 124,691.16 and 50,069.82

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Solution

The fourth proportional to 90,355.38, 124,691.16 and 50,069.82 is: 69,096.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,355.38 : 124,691.16 = 50,069.82 : x
  2. Step 2: Convert to fraction form
    90,355.38/124,691.16 = 50,069.82/x
  3. Step 3: Cross multiply
    90,355.38x = 124,691.16 × 50,069.82
  4. Step 4: Simplify right side
    90,355.38x = 6,243,263,504.18
  5. Step 5: Solve for x
    x = 6,243,263,504.18/90,355.38
  6. Step 6: Final answer
    x = 69,096.75

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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.