Home / 66,031.26-91,121.27-37,736.88

Finding the Fourth Proportional to 66,031.26, 91,121.27 and 37,736.88

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Solution

The fourth proportional to 66,031.26, 91,121.27 and 37,736.88 is: 52,075.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,031.26 : 91,121.27 = 37,736.88 : x
  2. Step 2: Convert to fraction form
    66,031.26/91,121.27 = 37,736.88/x
  3. Step 3: Cross multiply
    66,031.26x = 91,121.27 × 37,736.88
  4. Step 4: Simplify right side
    66,031.26x = 3,438,632,242.75
  5. Step 5: Solve for x
    x = 3,438,632,242.75/66,031.26
  6. Step 6: Final answer
    x = 52,075.82

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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.