Home / 80,799.04-121,203.36-25,395.04

Finding the Fourth Proportional to 80,799.04, 121,203.36 and 25,395.04

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Solution

The fourth proportional to 80,799.04, 121,203.36 and 25,395.04 is: 38,094.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,799.04 : 121,203.36 = 25,395.04 : x
  2. Step 2: Convert to fraction form
    80,799.04/121,203.36 = 25,395.04/x
  3. Step 3: Cross multiply
    80,799.04x = 121,203.36 × 25,395.04
  4. Step 4: Simplify right side
    80,799.04x = 3,077,964,175.33
  5. Step 5: Solve for x
    x = 3,077,964,175.33/80,799.04
  6. Step 6: Final answer
    x = 38,094.07

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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.