Home / 66,542.31-91,806.35-43,892.55

Finding the Fourth Proportional to 66,542.31, 91,806.35 and 43,892.55

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Solution

The fourth proportional to 66,542.31, 91,806.35 and 43,892.55 is: 60,557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,542.31 : 91,806.35 = 43,892.55 : x
  2. Step 2: Convert to fraction form
    66,542.31/91,806.35 = 43,892.55/x
  3. Step 3: Cross multiply
    66,542.31x = 91,806.35 × 43,892.55
  4. Step 4: Simplify right side
    66,542.31x = 4,029,614,588.23
  5. Step 5: Solve for x
    x = 4,029,614,588.23/66,542.31
  6. Step 6: Final answer
    x = 60,557.18

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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.