Home / 102,855.59-154,227.91-46,665.04

Finding the Fourth Proportional to 102,855.59, 154,227.91 and 46,665.04

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Solution

The fourth proportional to 102,855.59, 154,227.91 and 46,665.04 is: 69,972.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,855.59 : 154,227.91 = 46,665.04 : x
  2. Step 2: Convert to fraction form
    102,855.59/154,227.91 = 46,665.04/x
  3. Step 3: Cross multiply
    102,855.59x = 154,227.91 × 46,665.04
  4. Step 4: Simplify right side
    102,855.59x = 7,197,050,584.80
  5. Step 5: Solve for x
    x = 7,197,050,584.80/102,855.59
  6. Step 6: Final answer
    x = 69,972.38

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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.