Home / 80,788.44-121,126.45-35,785.37

Finding the Fourth Proportional to 80,788.44, 121,126.45 and 35,785.37

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Solution

The fourth proportional to 80,788.44, 121,126.45 and 35,785.37 is: 53,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,788.44 : 121,126.45 = 35,785.37 : x
  2. Step 2: Convert to fraction form
    80,788.44/121,126.45 = 35,785.37/x
  3. Step 3: Cross multiply
    80,788.44x = 121,126.45 × 35,785.37
  4. Step 4: Simplify right side
    80,788.44x = 4,334,554,830.04
  5. Step 5: Solve for x
    x = 4,334,554,830.04/80,788.44
  6. Step 6: Final answer
    x = 53,653.16

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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.