Home / 66,611.24-91,920.66-36,396.08

Finding the Fourth Proportional to 66,611.24, 91,920.66 and 36,396.08

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Solution

The fourth proportional to 66,611.24, 91,920.66 and 36,396.08 is: 50,225.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,611.24 : 91,920.66 = 36,396.08 : x
  2. Step 2: Convert to fraction form
    66,611.24/91,920.66 = 36,396.08/x
  3. Step 3: Cross multiply
    66,611.24x = 91,920.66 × 36,396.08
  4. Step 4: Simplify right side
    66,611.24x = 3,345,551,695.01
  5. Step 5: Solve for x
    x = 3,345,551,695.01/66,611.24
  6. Step 6: Final answer
    x = 50,225.03

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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.