Home / 102,789.10-154,178.13-32,662.95

Finding the Fourth Proportional to 102,789.10, 154,178.13 and 32,662.95

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Solution

The fourth proportional to 102,789.10, 154,178.13 and 32,662.95 is: 48,992.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,789.10 : 154,178.13 = 32,662.95 : x
  2. Step 2: Convert to fraction form
    102,789.10/154,178.13 = 32,662.95/x
  3. Step 3: Cross multiply
    102,789.10x = 154,178.13 × 32,662.95
  4. Step 4: Simplify right side
    102,789.10x = 5,035,912,095.60
  5. Step 5: Solve for x
    x = 5,035,912,095.60/102,789.10
  6. Step 6: Final answer
    x = 48,992.67

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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.