Home / 75,965.98-113,659.85-45,869.44

Finding the Fourth Proportional to 75,965.98, 113,659.85 and 45,869.44

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Solution

The fourth proportional to 75,965.98, 113,659.85 and 45,869.44 is: 68,629.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,965.98 : 113,659.85 = 45,869.44 : x
  2. Step 2: Convert to fraction form
    75,965.98/113,659.85 = 45,869.44/x
  3. Step 3: Cross multiply
    75,965.98x = 113,659.85 × 45,869.44
  4. Step 4: Simplify right side
    75,965.98x = 5,213,513,500.51
  5. Step 5: Solve for x
    x = 5,213,513,500.51/75,965.98
  6. Step 6: Final answer
    x = 68,629.58

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1.5x scale

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.