Home / 109,645.50-164,469.06-26,539.50

Finding the Fourth Proportional to 109,645.50, 164,469.06 and 26,539.50

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Solution

The fourth proportional to 109,645.50, 164,469.06 and 26,539.50 is: 39,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,645.50 : 164,469.06 = 26,539.50 : x
  2. Step 2: Convert to fraction form
    109,645.50/164,469.06 = 26,539.50/x
  3. Step 3: Cross multiply
    109,645.50x = 164,469.06 × 26,539.50
  4. Step 4: Simplify right side
    109,645.50x = 4,364,926,617.87
  5. Step 5: Solve for x
    x = 4,364,926,617.87/109,645.50
  6. Step 6: Final answer
    x = 39,809.45

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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.