Home / 109,876.20-164,595.60-57,315.30

Finding the Fourth Proportional to 109,876.20, 164,595.60 and 57,315.30

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Solution

The fourth proportional to 109,876.20, 164,595.60 and 57,315.30 is: 85,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,876.20 : 164,595.60 = 57,315.30 : x
  2. Step 2: Convert to fraction form
    109,876.20/164,595.60 = 57,315.30/x
  3. Step 3: Cross multiply
    109,876.20x = 164,595.60 × 57,315.30
  4. Step 4: Simplify right side
    109,876.20x = 9,433,846,192.68
  5. Step 5: Solve for x
    x = 9,433,846,192.68/109,876.20
  6. Step 6: Final answer
    x = 85,858.87

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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.