Home / 117,023.08-175,539.64-45,961.12

Finding the Fourth Proportional to 117,023.08, 175,539.64 and 45,961.12

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Solution

The fourth proportional to 117,023.08, 175,539.64 and 45,961.12 is: 68,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,023.08 : 175,539.64 = 45,961.12 : x
  2. Step 2: Convert to fraction form
    117,023.08/175,539.64 = 45,961.12/x
  3. Step 3: Cross multiply
    117,023.08x = 175,539.64 × 45,961.12
  4. Step 4: Simplify right side
    117,023.08x = 8,067,998,649.50
  5. Step 5: Solve for x
    x = 8,067,998,649.50/117,023.08
  6. Step 6: Final answer
    x = 68,943.65

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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.