Home / 90,334.67-124,651.71-50,038.43

Finding the Fourth Proportional to 90,334.67, 124,651.71 and 50,038.43

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Solution

The fourth proportional to 90,334.67, 124,651.71 and 50,038.43 is: 69,047.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,334.67 : 124,651.71 = 50,038.43 : x
  2. Step 2: Convert to fraction form
    90,334.67/124,651.71 = 50,038.43/x
  3. Step 3: Cross multiply
    90,334.67x = 124,651.71 × 50,038.43
  4. Step 4: Simplify right side
    90,334.67x = 6,237,375,241.96
  5. Step 5: Solve for x
    x = 6,237,375,241.96/90,334.67
  6. Step 6: Final answer
    x = 69,047.42

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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.