Home / 66,498.37-91,747.75-43,829.21

Finding the Fourth Proportional to 66,498.37, 91,747.75 and 43,829.21

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Solution

The fourth proportional to 66,498.37, 91,747.75 and 43,829.21 is: 60,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,498.37 : 91,747.75 = 43,829.21 : x
  2. Step 2: Convert to fraction form
    66,498.37/91,747.75 = 43,829.21/x
  3. Step 3: Cross multiply
    66,498.37x = 91,747.75 × 43,829.21
  4. Step 4: Simplify right side
    66,498.37x = 4,021,231,401.78
  5. Step 5: Solve for x
    x = 4,021,231,401.78/66,498.37
  6. Step 6: Final answer
    x = 60,471.13

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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.