Home / 92,777.64-139,147.32-45,344.04

Finding the Fourth Proportional to 92,777.64, 139,147.32 and 45,344.04

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Solution

The fourth proportional to 92,777.64, 139,147.32 and 45,344.04 is: 68,006.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,777.64 : 139,147.32 = 45,344.04 : x
  2. Step 2: Convert to fraction form
    92,777.64/139,147.32 = 45,344.04/x
  3. Step 3: Cross multiply
    92,777.64x = 139,147.32 × 45,344.04
  4. Step 4: Simplify right side
    92,777.64x = 6,309,501,643.97
  5. Step 5: Solve for x
    x = 6,309,501,643.97/92,777.64
  6. Step 6: Final answer
    x = 68,006.71

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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.