Home / 109,842.11-164,763.12-30,946.04

Finding the Fourth Proportional to 109,842.11, 164,763.12 and 30,946.04

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Solution

The fourth proportional to 109,842.11, 164,763.12 and 30,946.04 is: 46,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,842.11 : 164,763.12 = 30,946.04 : x
  2. Step 2: Convert to fraction form
    109,842.11/164,763.12 = 30,946.04/x
  3. Step 3: Cross multiply
    109,842.11x = 164,763.12 × 30,946.04
  4. Step 4: Simplify right side
    109,842.11x = 5,098,766,102.04
  5. Step 5: Solve for x
    x = 5,098,766,102.04/109,842.11
  6. Step 6: Final answer
    x = 46,419.05

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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.