Home / 74,500.23-111,627.43-42,936.79

Finding the Fourth Proportional to 74,500.23, 111,627.43 and 42,936.79

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Solution

The fourth proportional to 74,500.23, 111,627.43 and 42,936.79 is: 64,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,500.23 : 111,627.43 = 42,936.79 : x
  2. Step 2: Convert to fraction form
    74,500.23/111,627.43 = 42,936.79/x
  3. Step 3: Cross multiply
    74,500.23x = 111,627.43 × 42,936.79
  4. Step 4: Simplify right side
    74,500.23x = 4,792,923,520.15
  5. Step 5: Solve for x
    x = 4,792,923,520.15/74,500.23
  6. Step 6: Final answer
    x = 64,334.35

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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.