Home / 104,125.02-143,621.34-65,933.16

Finding the Fourth Proportional to 104,125.02, 143,621.34 and 65,933.16

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Solution

The fourth proportional to 104,125.02, 143,621.34 and 65,933.16 is: 90,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,125.02 : 143,621.34 = 65,933.16 : x
  2. Step 2: Convert to fraction form
    104,125.02/143,621.34 = 65,933.16/x
  3. Step 3: Cross multiply
    104,125.02x = 143,621.34 × 65,933.16
  4. Step 4: Simplify right side
    104,125.02x = 9,469,408,789.63
  5. Step 5: Solve for x
    x = 9,469,408,789.63/104,125.02
  6. Step 6: Final answer
    x = 90,942.68

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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.