Home / 109,631.10-164,446.65-43,049.10

Finding the Fourth Proportional to 109,631.10, 164,446.65 and 43,049.10

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Solution

The fourth proportional to 109,631.10, 164,446.65 and 43,049.10 is: 64,573.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,631.10 : 164,446.65 = 43,049.10 : x
  2. Step 2: Convert to fraction form
    109,631.10/164,446.65 = 43,049.10/x
  3. Step 3: Cross multiply
    109,631.10x = 164,446.65 × 43,049.10
  4. Step 4: Simplify right side
    109,631.10x = 7,079,280,280.52
  5. Step 5: Solve for x
    x = 7,079,280,280.52/109,631.10
  6. Step 6: Final answer
    x = 64,573.65

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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.