Home / 71,999.24-99,379.80-41,791.34

Finding the Fourth Proportional to 71,999.24, 99,379.80 and 41,791.34

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Solution

The fourth proportional to 71,999.24, 99,379.80 and 41,791.34 is: 57,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,999.24 : 99,379.80 = 41,791.34 : x
  2. Step 2: Convert to fraction form
    71,999.24/99,379.80 = 41,791.34/x
  3. Step 3: Cross multiply
    71,999.24x = 99,379.80 × 41,791.34
  4. Step 4: Simplify right side
    71,999.24x = 4,153,215,010.93
  5. Step 5: Solve for x
    x = 4,153,215,010.93/71,999.24
  6. Step 6: Final answer
    x = 57,684.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.