Home / 109,747.16-164,507.75-43,160.30

Finding the Fourth Proportional to 109,747.16, 164,507.75 and 43,160.30

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Solution

The fourth proportional to 109,747.16, 164,507.75 and 43,160.30 is: 64,696.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,747.16 : 164,507.75 = 43,160.30 : x
  2. Step 2: Convert to fraction form
    109,747.16/164,507.75 = 43,160.30/x
  3. Step 3: Cross multiply
    109,747.16x = 164,507.75 × 43,160.30
  4. Step 4: Simplify right side
    109,747.16x = 7,100,203,626.52
  5. Step 5: Solve for x
    x = 7,100,203,626.52/109,747.16
  6. Step 6: Final answer
    x = 64,696.01

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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.