Home / 47,791.42-71,677.51-45,420.35

Finding the Fourth Proportional to 47,791.42, 71,677.51 and 45,420.35

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Solution

The fourth proportional to 47,791.42, 71,677.51 and 45,420.35 is: 68,121.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,791.42 : 71,677.51 = 45,420.35 : x
  2. Step 2: Convert to fraction form
    47,791.42/71,677.51 = 45,420.35/x
  3. Step 3: Cross multiply
    47,791.42x = 71,677.51 × 45,420.35
  4. Step 4: Simplify right side
    47,791.42x = 3,255,617,591.33
  5. Step 5: Solve for x
    x = 3,255,617,591.33/47,791.42
  6. Step 6: Final answer
    x = 68,121.38

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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.