Home / 75,662.20-113,509.68-23,070.28

Finding the Fourth Proportional to 75,662.20, 113,509.68 and 23,070.28

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Solution

The fourth proportional to 75,662.20, 113,509.68 and 23,070.28 is: 34,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,662.20 : 113,509.68 = 23,070.28 : x
  2. Step 2: Convert to fraction form
    75,662.20/113,509.68 = 23,070.28/x
  3. Step 3: Cross multiply
    75,662.20x = 113,509.68 × 23,070.28
  4. Step 4: Simplify right side
    75,662.20x = 2,618,700,100.31
  5. Step 5: Solve for x
    x = 2,618,700,100.31/75,662.20
  6. Step 6: Final answer
    x = 34,610.41

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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.