Home / 125,085.69-187,571.89-53,974.77

Finding the Fourth Proportional to 125,085.69, 187,571.89 and 53,974.77

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Solution

The fourth proportional to 125,085.69, 187,571.89 and 53,974.77 is: 80,937.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,085.69 : 187,571.89 = 53,974.77 : x
  2. Step 2: Convert to fraction form
    125,085.69/187,571.89 = 53,974.77/x
  3. Step 3: Cross multiply
    125,085.69x = 187,571.89 × 53,974.77
  4. Step 4: Simplify right side
    125,085.69x = 10,124,149,621.22
  5. Step 5: Solve for x
    x = 10,124,149,621.22/125,085.69
  6. Step 6: Final answer
    x = 80,937.71

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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.