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Finding the Fourth Proportional to 66,344.34, 91,556.34 and 37,663.26

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Solution

The fourth proportional to 66,344.34, 91,556.34 and 37,663.26 is: 51,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,344.34 : 91,556.34 = 37,663.26 : x
  2. Step 2: Convert to fraction form
    66,344.34/91,556.34 = 37,663.26/x
  3. Step 3: Cross multiply
    66,344.34x = 91,556.34 × 37,663.26
  4. Step 4: Simplify right side
    66,344.34x = 3,448,310,238.07
  5. Step 5: Solve for x
    x = 3,448,310,238.07/66,344.34
  6. Step 6: Final answer
    x = 51,975.95

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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.