Home / 109,695.13-164,529.92-30,816.11

Finding the Fourth Proportional to 109,695.13, 164,529.92 and 30,816.11

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Solution

The fourth proportional to 109,695.13, 164,529.92 and 30,816.11 is: 46,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,695.13 : 164,529.92 = 30,816.11 : x
  2. Step 2: Convert to fraction form
    109,695.13/164,529.92 = 30,816.11/x
  3. Step 3: Cross multiply
    109,695.13x = 164,529.92 × 30,816.11
  4. Step 4: Simplify right side
    109,695.13x = 5,070,172,601.38
  5. Step 5: Solve for x
    x = 5,070,172,601.38/109,695.13
  6. Step 6: Final answer
    x = 46,220.58

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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.