Home / 64,519.75-89,037.26-36,225.44

Finding the Fourth Proportional to 64,519.75, 89,037.26 and 36,225.44

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Solution

The fourth proportional to 64,519.75, 89,037.26 and 36,225.44 is: 49,991.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,519.75 : 89,037.26 = 36,225.44 : x
  2. Step 2: Convert to fraction form
    64,519.75/89,037.26 = 36,225.44/x
  3. Step 3: Cross multiply
    64,519.75x = 89,037.26 × 36,225.44
  4. Step 4: Simplify right side
    64,519.75x = 3,225,413,919.89
  5. Step 5: Solve for x
    x = 3,225,413,919.89/64,519.75
  6. Step 6: Final answer
    x = 49,991.11

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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.