Home / 102,869.24-154,352.39-36,340.70

Finding the Fourth Proportional to 102,869.24, 154,352.39 and 36,340.70

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Solution

The fourth proportional to 102,869.24, 154,352.39 and 36,340.70 is: 54,528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,869.24 : 154,352.39 = 36,340.70 : x
  2. Step 2: Convert to fraction form
    102,869.24/154,352.39 = 36,340.70/x
  3. Step 3: Cross multiply
    102,869.24x = 154,352.39 × 36,340.70
  4. Step 4: Simplify right side
    102,869.24x = 5,609,273,814.04
  5. Step 5: Solve for x
    x = 5,609,273,814.04/102,869.24
  6. Step 6: Final answer
    x = 54,528.19

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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.