Home / 73,911.22-111,000.45-68,282.83

Finding the Fourth Proportional to 73,911.22, 111,000.45 and 68,282.83

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Solution

The fourth proportional to 73,911.22, 111,000.45 and 68,282.83 is: 102,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,911.22 : 111,000.45 = 68,282.83 : x
  2. Step 2: Convert to fraction form
    73,911.22/111,000.45 = 68,282.83/x
  3. Step 3: Cross multiply
    73,911.22x = 111,000.45 × 68,282.83
  4. Step 4: Simplify right side
    73,911.22x = 7,579,424,857.27
  5. Step 5: Solve for x
    x = 7,579,424,857.27/73,911.22
  6. Step 6: Final answer
    x = 102,547.69

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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.