Home / 114,729.84-171,991.08-40,840.56

Finding the Fourth Proportional to 114,729.84, 171,991.08 and 40,840.56

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Solution

The fourth proportional to 114,729.84, 171,991.08 and 40,840.56 is: 61,223.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,729.84 : 171,991.08 = 40,840.56 : x
  2. Step 2: Convert to fraction form
    114,729.84/171,991.08 = 40,840.56/x
  3. Step 3: Cross multiply
    114,729.84x = 171,991.08 × 40,840.56
  4. Step 4: Simplify right side
    114,729.84x = 7,024,212,022.20
  5. Step 5: Solve for x
    x = 7,024,212,022.20/114,729.84
  6. Step 6: Final answer
    x = 61,223.93

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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.