Home / 92,629.63-138,933.60-39,329.56

Finding the Fourth Proportional to 92,629.63, 138,933.60 and 39,329.56

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Solution

The fourth proportional to 92,629.63, 138,933.60 and 39,329.56 is: 58,989.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,629.63 : 138,933.60 = 39,329.56 : x
  2. Step 2: Convert to fraction form
    92,629.63/138,933.60 = 39,329.56/x
  3. Step 3: Cross multiply
    92,629.63x = 138,933.60 × 39,329.56
  4. Step 4: Simplify right side
    92,629.63x = 5,464,197,357.22
  5. Step 5: Solve for x
    x = 5,464,197,357.22/92,629.63
  6. Step 6: Final answer
    x = 58,989.74

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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.