Home / 101,992.65-152,936.17-45,784.36

Finding the Fourth Proportional to 101,992.65, 152,936.17 and 45,784.36

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Solution

The fourth proportional to 101,992.65, 152,936.17 and 45,784.36 is: 68,652.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,992.65 : 152,936.17 = 45,784.36 : x
  2. Step 2: Convert to fraction form
    101,992.65/152,936.17 = 45,784.36/x
  3. Step 3: Cross multiply
    101,992.65x = 152,936.17 × 45,784.36
  4. Step 4: Simplify right side
    101,992.65x = 7,002,083,880.74
  5. Step 5: Solve for x
    x = 7,002,083,880.74/101,992.65
  6. Step 6: Final answer
    x = 68,652.83

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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.