Home / 109,898.63-164,861.16-38,806.64

Finding the Fourth Proportional to 109,898.63, 164,861.16 and 38,806.64

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Solution

The fourth proportional to 109,898.63, 164,861.16 and 38,806.64 is: 58,214.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,898.63 : 164,861.16 = 38,806.64 : x
  2. Step 2: Convert to fraction form
    109,898.63/164,861.16 = 38,806.64/x
  3. Step 3: Cross multiply
    109,898.63x = 164,861.16 × 38,806.64
  4. Step 4: Simplify right side
    109,898.63x = 6,397,706,861.80
  5. Step 5: Solve for x
    x = 6,397,706,861.80/109,898.63
  6. Step 6: Final answer
    x = 58,214.62

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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.