Home / 77,239.22-115,933.61-37,286.26

Finding the Fourth Proportional to 77,239.22, 115,933.61 and 37,286.26

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Solution

The fourth proportional to 77,239.22, 115,933.61 and 37,286.26 is: 55,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,239.22 : 115,933.61 = 37,286.26 : x
  2. Step 2: Convert to fraction form
    77,239.22/115,933.61 = 37,286.26/x
  3. Step 3: Cross multiply
    77,239.22x = 115,933.61 × 37,286.26
  4. Step 4: Simplify right side
    77,239.22x = 4,322,730,528.58
  5. Step 5: Solve for x
    x = 4,322,730,528.58/77,239.22
  6. Step 6: Final answer
    x = 55,965.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.