Home / 66,462.26-91,723.38-37,790.92

Finding the Fourth Proportional to 66,462.26, 91,723.38 and 37,790.92

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Solution

The fourth proportional to 66,462.26, 91,723.38 and 37,790.92 is: 52,154.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,462.26 : 91,723.38 = 37,790.92 : x
  2. Step 2: Convert to fraction form
    66,462.26/91,723.38 = 37,790.92/x
  3. Step 3: Cross multiply
    66,462.26x = 91,723.38 × 37,790.92
  4. Step 4: Simplify right side
    66,462.26x = 3,466,310,915.71
  5. Step 5: Solve for x
    x = 3,466,310,915.71/66,462.26
  6. Step 6: Final answer
    x = 52,154.57

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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.