Home / 109,710.20-164,565.30-26,604.20

Finding the Fourth Proportional to 109,710.20, 164,565.30 and 26,604.20

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Solution

The fourth proportional to 109,710.20, 164,565.30 and 26,604.20 is: 39,906.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,710.20 : 164,565.30 = 26,604.20 : x
  2. Step 2: Convert to fraction form
    109,710.20/164,565.30 = 26,604.20/x
  3. Step 3: Cross multiply
    109,710.20x = 164,565.30 × 26,604.20
  4. Step 4: Simplify right side
    109,710.20x = 4,378,127,331.43
  5. Step 5: Solve for x
    x = 4,378,127,331.43/109,710.20
  6. Step 6: Final answer
    x = 39,906.29

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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.