Home / 90,372.88-124,715.46-50,087.53

Finding the Fourth Proportional to 90,372.88, 124,715.46 and 50,087.53

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Solution

The fourth proportional to 90,372.88, 124,715.46 and 50,087.53 is: 69,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,372.88 : 124,715.46 = 50,087.53 : x
  2. Step 2: Convert to fraction form
    90,372.88/124,715.46 = 50,087.53/x
  3. Step 3: Cross multiply
    90,372.88x = 124,715.46 × 50,087.53
  4. Step 4: Simplify right side
    90,372.88x = 6,246,689,344.21
  5. Step 5: Solve for x
    x = 6,246,689,344.21/90,372.88
  6. Step 6: Final answer
    x = 69,121.28

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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.