Home / 109,712.50-164,568.75-26,606.50

Finding the Fourth Proportional to 109,712.50, 164,568.75 and 26,606.50

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Solution

The fourth proportional to 109,712.50, 164,568.75 and 26,606.50 is: 39,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,712.50 : 164,568.75 = 26,606.50 : x
  2. Step 2: Convert to fraction form
    109,712.50/164,568.75 = 26,606.50/x
  3. Step 3: Cross multiply
    109,712.50x = 164,568.75 × 26,606.50
  4. Step 4: Simplify right side
    109,712.50x = 4,378,598,446.88
  5. Step 5: Solve for x
    x = 4,378,598,446.88/109,712.50
  6. Step 6: Final answer
    x = 39,909.75

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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.