Home / 109,711.53-164,567.25-38,617.43

Finding the Fourth Proportional to 109,711.53, 164,567.25 and 38,617.43

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Solution

The fourth proportional to 109,711.53, 164,567.25 and 38,617.43 is: 57,926.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,711.53 : 164,567.25 = 38,617.43 : x
  2. Step 2: Convert to fraction form
    109,711.53/164,567.25 = 38,617.43/x
  3. Step 3: Cross multiply
    109,711.53x = 164,567.25 × 38,617.43
  4. Step 4: Simplify right side
    109,711.53x = 6,355,163,434.33
  5. Step 5: Solve for x
    x = 6,355,163,434.33/109,711.53
  6. Step 6: Final answer
    x = 57,926.12

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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.