Home / 78,196.59-117,301.77-22,037.22

Finding the Fourth Proportional to 78,196.59, 117,301.77 and 22,037.22

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Solution

The fourth proportional to 78,196.59, 117,301.77 and 22,037.22 is: 33,057.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,196.59 : 117,301.77 = 22,037.22 : x
  2. Step 2: Convert to fraction form
    78,196.59/117,301.77 = 22,037.22/x
  3. Step 3: Cross multiply
    78,196.59x = 117,301.77 × 22,037.22
  4. Step 4: Simplify right side
    78,196.59x = 2,585,004,911.88
  5. Step 5: Solve for x
    x = 2,585,004,911.88/78,196.59
  6. Step 6: Final answer
    x = 33,057.77

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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.