Home / 89,849.51-134,790.39-30,671.33

Finding the Fourth Proportional to 89,849.51, 134,790.39 and 30,671.33

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Solution

The fourth proportional to 89,849.51, 134,790.39 and 30,671.33 is: 46,012.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,849.51 : 134,790.39 = 30,671.33 : x
  2. Step 2: Convert to fraction form
    89,849.51/134,790.39 = 30,671.33/x
  3. Step 3: Cross multiply
    89,849.51x = 134,790.39 × 30,671.33
  4. Step 4: Simplify right side
    89,849.51x = 4,134,200,869.49
  5. Step 5: Solve for x
    x = 4,134,200,869.49/89,849.51
  6. Step 6: Final answer
    x = 46,012.51

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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.