Home / 109,602.30-164,344.20-38,506.56

Finding the Fourth Proportional to 109,602.30, 164,344.20 and 38,506.56

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Solution

The fourth proportional to 109,602.30, 164,344.20 and 38,506.56 is: 57,739.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,602.30 : 164,344.20 = 38,506.56 : x
  2. Step 2: Convert to fraction form
    109,602.30/164,344.20 = 38,506.56/x
  3. Step 3: Cross multiply
    109,602.30x = 164,344.20 × 38,506.56
  4. Step 4: Simplify right side
    109,602.30x = 6,328,329,797.95
  5. Step 5: Solve for x
    x = 6,328,329,797.95/109,602.30
  6. Step 6: Final answer
    x = 57,739.02

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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.