Home / 55,729.64-76,896.18-31,851.24

Finding the Fourth Proportional to 55,729.64, 76,896.18 and 31,851.24

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Solution

The fourth proportional to 55,729.64, 76,896.18 and 31,851.24 is: 43,948.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,729.64 : 76,896.18 = 31,851.24 : x
  2. Step 2: Convert to fraction form
    55,729.64/76,896.18 = 31,851.24/x
  3. Step 3: Cross multiply
    55,729.64x = 76,896.18 × 31,851.24
  4. Step 4: Simplify right side
    55,729.64x = 2,449,238,684.26
  5. Step 5: Solve for x
    x = 2,449,238,684.26/55,729.64
  6. Step 6: Final answer
    x = 43,948.59

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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.