Home / 94,989.24-142,435.26-50,640.12

Finding the Fourth Proportional to 94,989.24, 142,435.26 and 50,640.12

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Solution

The fourth proportional to 94,989.24, 142,435.26 and 50,640.12 is: 75,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,989.24 : 142,435.26 = 50,640.12 : x
  2. Step 2: Convert to fraction form
    94,989.24/142,435.26 = 50,640.12/x
  3. Step 3: Cross multiply
    94,989.24x = 142,435.26 × 50,640.12
  4. Step 4: Simplify right side
    94,989.24x = 7,212,938,658.63
  5. Step 5: Solve for x
    x = 7,212,938,658.63/94,989.24
  6. Step 6: Final answer
    x = 75,934.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.