Home / 55,264.64-76,262.82-31,391.24

Finding the Fourth Proportional to 55,264.64, 76,262.82 and 31,391.24

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Solution

The fourth proportional to 55,264.64, 76,262.82 and 31,391.24 is: 43,318.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,264.64 : 76,262.82 = 31,391.24 : x
  2. Step 2: Convert to fraction form
    55,264.64/76,262.82 = 31,391.24/x
  3. Step 3: Cross multiply
    55,264.64x = 76,262.82 × 31,391.24
  4. Step 4: Simplify right side
    55,264.64x = 2,393,984,485.70
  5. Step 5: Solve for x
    x = 2,393,984,485.70/55,264.64
  6. Step 6: Final answer
    x = 43,318.56

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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.