Home / 43,092.93-64,632.09-11,920.89

Finding the Fourth Proportional to 43,092.93, 64,632.09 and 11,920.89

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Solution

The fourth proportional to 43,092.93, 64,632.09 and 11,920.89 is: 17,879.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,092.93 : 64,632.09 = 11,920.89 : x
  2. Step 2: Convert to fraction form
    43,092.93/64,632.09 = 11,920.89/x
  3. Step 3: Cross multiply
    43,092.93x = 64,632.09 × 11,920.89
  4. Step 4: Simplify right side
    43,092.93x = 770,472,035.36
  5. Step 5: Solve for x
    x = 770,472,035.36/43,092.93
  6. Step 6: Final answer
    x = 17,879.31

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1.5x scale

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.