Home / 77,933.24-116,871.15-27,999.98

Finding the Fourth Proportional to 77,933.24, 116,871.15 and 27,999.98

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Solution

The fourth proportional to 77,933.24, 116,871.15 and 27,999.98 is: 41,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,933.24 : 116,871.15 = 27,999.98 : x
  2. Step 2: Convert to fraction form
    77,933.24/116,871.15 = 27,999.98/x
  3. Step 3: Cross multiply
    77,933.24x = 116,871.15 × 27,999.98
  4. Step 4: Simplify right side
    77,933.24x = 3,272,389,821.49
  5. Step 5: Solve for x
    x = 3,272,389,821.49/77,933.24
  6. Step 6: Final answer
    x = 41,989.66

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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.