Home / 66,763.26-92,132.91-36,136.32

Finding the Fourth Proportional to 66,763.26, 92,132.91 and 36,136.32

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Solution

The fourth proportional to 66,763.26, 92,132.91 and 36,136.32 is: 49,867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,763.26 : 92,132.91 = 36,136.32 : x
  2. Step 2: Convert to fraction form
    66,763.26/92,132.91 = 36,136.32/x
  3. Step 3: Cross multiply
    66,763.26x = 92,132.91 × 36,136.32
  4. Step 4: Simplify right side
    66,763.26x = 3,329,344,318.29
  5. Step 5: Solve for x
    x = 3,329,344,318.29/66,763.26
  6. Step 6: Final answer
    x = 49,867.91

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1.5x scale

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.