Home / 109,751.32-164,614.02-43,240.60

Finding the Fourth Proportional to 109,751.32, 164,614.02 and 43,240.60

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Solution

The fourth proportional to 109,751.32, 164,614.02 and 43,240.60 is: 64,855.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,751.32 : 164,614.02 = 43,240.60 : x
  2. Step 2: Convert to fraction form
    109,751.32/164,614.02 = 43,240.60/x
  3. Step 3: Cross multiply
    109,751.32x = 164,614.02 × 43,240.60
  4. Step 4: Simplify right side
    109,751.32x = 7,118,008,993.21
  5. Step 5: Solve for x
    x = 7,118,008,993.21/109,751.32
  6. Step 6: Final answer
    x = 64,855.79

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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.