Home / 109,631.24-164,348.42-43,119.10

Finding the Fourth Proportional to 109,631.24, 164,348.42 and 43,119.10

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Solution

The fourth proportional to 109,631.24, 164,348.42 and 43,119.10 is: 64,639.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,631.24 : 164,348.42 = 43,119.10 : x
  2. Step 2: Convert to fraction form
    109,631.24/164,348.42 = 43,119.10/x
  3. Step 3: Cross multiply
    109,631.24x = 164,348.42 × 43,119.10
  4. Step 4: Simplify right side
    109,631.24x = 7,086,555,135.08
  5. Step 5: Solve for x
    x = 7,086,555,135.08/109,631.24
  6. Step 6: Final answer
    x = 64,639.93

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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.