Home / 109,568.64-164,371.20-38,472.84

Finding the Fourth Proportional to 109,568.64, 164,371.20 and 38,472.84

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Solution

The fourth proportional to 109,568.64, 164,371.20 and 38,472.84 is: 57,715.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,568.64 : 164,371.20 = 38,472.84 : x
  2. Step 2: Convert to fraction form
    109,568.64/164,371.20 = 38,472.84/x
  3. Step 3: Cross multiply
    109,568.64x = 164,371.20 × 38,472.84
  4. Step 4: Simplify right side
    109,568.64x = 6,323,826,878.21
  5. Step 5: Solve for x
    x = 6,323,826,878.21/109,568.64
  6. Step 6: Final answer
    x = 57,715.66

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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.