Home / 104,396.37-144,067.38-56,649.74

Finding the Fourth Proportional to 104,396.37, 144,067.38 and 56,649.74

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Solution

The fourth proportional to 104,396.37, 144,067.38 and 56,649.74 is: 78,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,396.37 : 144,067.38 = 56,649.74 : x
  2. Step 2: Convert to fraction form
    104,396.37/144,067.38 = 56,649.74/x
  3. Step 3: Cross multiply
    104,396.37x = 144,067.38 × 56,649.74
  4. Step 4: Simplify right side
    104,396.37x = 8,161,378,899.14
  5. Step 5: Solve for x
    x = 8,161,378,899.14/104,396.37
  6. Step 6: Final answer
    x = 78,176.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.