Home / 66,918.05-92,349.49-36,704.64

Finding the Fourth Proportional to 66,918.05, 92,349.49 and 36,704.64

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Solution

The fourth proportional to 66,918.05, 92,349.49 and 36,704.64 is: 50,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,918.05 : 92,349.49 = 36,704.64 : x
  2. Step 2: Convert to fraction form
    66,918.05/92,349.49 = 36,704.64/x
  3. Step 3: Cross multiply
    66,918.05x = 92,349.49 × 36,704.64
  4. Step 4: Simplify right side
    66,918.05x = 3,389,655,176.82
  5. Step 5: Solve for x
    x = 3,389,655,176.82/66,918.05
  6. Step 6: Final answer
    x = 50,653.83

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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.