Home / 52,388.13-78,598.59-33,689.28

Finding the Fourth Proportional to 52,388.13, 78,598.59 and 33,689.28

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Solution

The fourth proportional to 52,388.13, 78,598.59 and 33,689.28 is: 50,544.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,388.13 : 78,598.59 = 33,689.28 : x
  2. Step 2: Convert to fraction form
    52,388.13/78,598.59 = 33,689.28/x
  3. Step 3: Cross multiply
    52,388.13x = 78,598.59 × 33,689.28
  4. Step 4: Simplify right side
    52,388.13x = 2,647,929,906.12
  5. Step 5: Solve for x
    x = 2,647,929,906.12/52,388.13
  6. Step 6: Final answer
    x = 50,544.46

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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.