Home / 66,445.18-91,690.99-37,764.09

Finding the Fourth Proportional to 66,445.18, 91,690.99 and 37,764.09

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Solution

The fourth proportional to 66,445.18, 91,690.99 and 37,764.09 is: 52,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445.18 : 91,690.99 = 37,764.09 : x
  2. Step 2: Convert to fraction form
    66,445.18/91,690.99 = 37,764.09/x
  3. Step 3: Cross multiply
    66,445.18x = 91,690.99 × 37,764.09
  4. Step 4: Simplify right side
    66,445.18x = 3,462,626,704.14
  5. Step 5: Solve for x
    x = 3,462,626,704.14/66,445.18
  6. Step 6: Final answer
    x = 52,112.54

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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.