Home / 92,892.22-139,295.19-45,509.65

Finding the Fourth Proportional to 92,892.22, 139,295.19 and 45,509.65

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Solution

The fourth proportional to 92,892.22, 139,295.19 and 45,509.65 is: 68,243.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,892.22 : 139,295.19 = 45,509.65 : x
  2. Step 2: Convert to fraction form
    92,892.22/139,295.19 = 45,509.65/x
  3. Step 3: Cross multiply
    92,892.22x = 139,295.19 × 45,509.65
  4. Step 4: Simplify right side
    92,892.22x = 6,339,275,166.01
  5. Step 5: Solve for x
    x = 6,339,275,166.01/92,892.22
  6. Step 6: Final answer
    x = 68,243.34

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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.