Home / 109,757.16-164,522.75-43,170.30

Finding the Fourth Proportional to 109,757.16, 164,522.75 and 43,170.30

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Solution

The fourth proportional to 109,757.16, 164,522.75 and 43,170.30 is: 64,711.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,757.16 : 164,522.75 = 43,170.30 : x
  2. Step 2: Convert to fraction form
    109,757.16/164,522.75 = 43,170.30/x
  3. Step 3: Cross multiply
    109,757.16x = 164,522.75 × 43,170.30
  4. Step 4: Simplify right side
    109,757.16x = 7,102,496,258.47
  5. Step 5: Solve for x
    x = 7,102,496,258.47/109,757.16
  6. Step 6: Final answer
    x = 64,711.01

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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.