Home / 114,321.56-171,490.64-39,440.70

Finding the Fourth Proportional to 114,321.56, 171,490.64 and 39,440.70

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Solution

The fourth proportional to 114,321.56, 171,490.64 and 39,440.70 is: 59,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,321.56 : 171,490.64 = 39,440.70 : x
  2. Step 2: Convert to fraction form
    114,321.56/171,490.64 = 39,440.70/x
  3. Step 3: Cross multiply
    114,321.56x = 171,490.64 × 39,440.70
  4. Step 4: Simplify right side
    114,321.56x = 6,763,710,687.84
  5. Step 5: Solve for x
    x = 6,763,710,687.84/114,321.56
  6. Step 6: Final answer
    x = 59,163.91

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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.