Home / 109,905.15-164,599.37-53,568.71

Finding the Fourth Proportional to 109,905.15, 164,599.37 and 53,568.71

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Solution

The fourth proportional to 109,905.15, 164,599.37 and 53,568.71 is: 80,227.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,905.15 : 164,599.37 = 53,568.71 : x
  2. Step 2: Convert to fraction form
    109,905.15/164,599.37 = 53,568.71/x
  3. Step 3: Cross multiply
    109,905.15x = 164,599.37 × 53,568.71
  4. Step 4: Simplify right side
    109,905.15x = 8,817,375,637.70
  5. Step 5: Solve for x
    x = 8,817,375,637.70/109,905.15
  6. Step 6: Final answer
    x = 80,227.14

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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.