Home / 78,202.43-117,310.55-22,043.01

Finding the Fourth Proportional to 78,202.43, 117,310.55 and 22,043.01

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Solution

The fourth proportional to 78,202.43, 117,310.55 and 22,043.01 is: 33,066.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,202.43 : 117,310.55 = 22,043.01 : x
  2. Step 2: Convert to fraction form
    78,202.43/117,310.55 = 22,043.01/x
  3. Step 3: Cross multiply
    78,202.43x = 117,310.55 × 22,043.01
  4. Step 4: Simplify right side
    78,202.43x = 2,585,877,626.76
  5. Step 5: Solve for x
    x = 2,585,877,626.76/78,202.43
  6. Step 6: Final answer
    x = 33,066.46

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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.