Home / 109,685.70-164,528.55-26,579.70

Finding the Fourth Proportional to 109,685.70, 164,528.55 and 26,579.70

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Solution

The fourth proportional to 109,685.70, 164,528.55 and 26,579.70 is: 39,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,685.70 : 164,528.55 = 26,579.70 : x
  2. Step 2: Convert to fraction form
    109,685.70/164,528.55 = 26,579.70/x
  3. Step 3: Cross multiply
    109,685.70x = 164,528.55 × 26,579.70
  4. Step 4: Simplify right side
    109,685.70x = 4,373,119,500.44
  5. Step 5: Solve for x
    x = 4,373,119,500.44/109,685.70
  6. Step 6: Final answer
    x = 39,869.55

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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.