Home / 92,945.75-139,418.34-26,385.92

Finding the Fourth Proportional to 92,945.75, 139,418.34 and 26,385.92

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Solution

The fourth proportional to 92,945.75, 139,418.34 and 26,385.92 is: 39,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,945.75 : 139,418.34 = 26,385.92 : x
  2. Step 2: Convert to fraction form
    92,945.75/139,418.34 = 26,385.92/x
  3. Step 3: Cross multiply
    92,945.75x = 139,418.34 × 26,385.92
  4. Step 4: Simplify right side
    92,945.75x = 3,678,681,382.39
  5. Step 5: Solve for x
    x = 3,678,681,382.39/92,945.75
  6. Step 6: Final answer
    x = 39,578.80

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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.