Home / 109,428.40-164,272.20-62,081.20

Finding the Fourth Proportional to 109,428.40, 164,272.20 and 62,081.20

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Solution

The fourth proportional to 109,428.40, 164,272.20 and 62,081.20 is: 93,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,428.40 : 164,272.20 = 62,081.20 : x
  2. Step 2: Convert to fraction form
    109,428.40/164,272.20 = 62,081.20/x
  3. Step 3: Cross multiply
    109,428.40x = 164,272.20 × 62,081.20
  4. Step 4: Simplify right side
    109,428.40x = 10,198,215,302.64
  5. Step 5: Solve for x
    x = 10,198,215,302.64/109,428.40
  6. Step 6: Final answer
    x = 93,195.33

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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.