Home / 57,033.99-78,706.62-31,883.49

Finding the Fourth Proportional to 57,033.99, 78,706.62 and 31,883.49

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Solution

The fourth proportional to 57,033.99, 78,706.62 and 31,883.49 is: 43,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,033.99 : 78,706.62 = 31,883.49 : x
  2. Step 2: Convert to fraction form
    57,033.99/78,706.62 = 31,883.49/x
  3. Step 3: Cross multiply
    57,033.99x = 78,706.62 × 31,883.49
  4. Step 4: Simplify right side
    57,033.99x = 2,509,441,731.70
  5. Step 5: Solve for x
    x = 2,509,441,731.70/57,033.99
  6. Step 6: Final answer
    x = 43,999.06

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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.