Home / 109,765.08-164,671.92-34,908.12

Finding the Fourth Proportional to 109,765.08, 164,671.92 and 34,908.12

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Solution

The fourth proportional to 109,765.08, 164,671.92 and 34,908.12 is: 52,369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,765.08 : 164,671.92 = 34,908.12 : x
  2. Step 2: Convert to fraction form
    109,765.08/164,671.92 = 34,908.12/x
  3. Step 3: Cross multiply
    109,765.08x = 164,671.92 × 34,908.12
  4. Step 4: Simplify right side
    109,765.08x = 5,748,387,143.99
  5. Step 5: Solve for x
    x = 5,748,387,143.99/109,765.08
  6. Step 6: Final answer
    x = 52,369.91

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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.