Home / 109,766.72-164,650.08-26,660.16

Finding the Fourth Proportional to 109,766.72, 164,650.08 and 26,660.16

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Solution

The fourth proportional to 109,766.72, 164,650.08 and 26,660.16 is: 39,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,766.72 : 164,650.08 = 26,660.16 : x
  2. Step 2: Convert to fraction form
    109,766.72/164,650.08 = 26,660.16/x
  3. Step 3: Cross multiply
    109,766.72x = 164,650.08 × 26,660.16
  4. Step 4: Simplify right side
    109,766.72x = 4,389,597,476.81
  5. Step 5: Solve for x
    x = 4,389,597,476.81/109,766.72
  6. Step 6: Final answer
    x = 39,990.24

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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.