Home / 61,179.21-84,337.94-43,242.57

Finding the Fourth Proportional to 61,179.21, 84,337.94 and 43,242.57

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Solution

The fourth proportional to 61,179.21, 84,337.94 and 43,242.57 is: 59,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,179.21 : 84,337.94 = 43,242.57 : x
  2. Step 2: Convert to fraction form
    61,179.21/84,337.94 = 43,242.57/x
  3. Step 3: Cross multiply
    61,179.21x = 84,337.94 × 43,242.57
  4. Step 4: Simplify right side
    61,179.21x = 3,646,989,057.89
  5. Step 5: Solve for x
    x = 3,646,989,057.89/61,179.21
  6. Step 6: Final answer
    x = 59,611.57

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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.