Home / 66,569.77-91,865.82-36,355.10

Finding the Fourth Proportional to 66,569.77, 91,865.82 and 36,355.10

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Solution

The fourth proportional to 66,569.77, 91,865.82 and 36,355.10 is: 50,169.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,569.77 : 91,865.82 = 36,355.10 : x
  2. Step 2: Convert to fraction form
    66,569.77/91,865.82 = 36,355.10/x
  3. Step 3: Cross multiply
    66,569.77x = 91,865.82 × 36,355.10
  4. Step 4: Simplify right side
    66,569.77x = 3,339,791,422.55
  5. Step 5: Solve for x
    x = 3,339,791,422.55/66,569.77
  6. Step 6: Final answer
    x = 50,169.79

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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.