Home / 55,448.24-76,519.31-31,575.01

Finding the Fourth Proportional to 55,448.24, 76,519.31 and 31,575.01

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Solution

The fourth proportional to 55,448.24, 76,519.31 and 31,575.01 is: 43,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,448.24 : 76,519.31 = 31,575.01 : x
  2. Step 2: Convert to fraction form
    55,448.24/76,519.31 = 31,575.01/x
  3. Step 3: Cross multiply
    55,448.24x = 76,519.31 × 31,575.01
  4. Step 4: Simplify right side
    55,448.24x = 2,416,097,629.27
  5. Step 5: Solve for x
    x = 2,416,097,629.27/55,448.24
  6. Step 6: Final answer
    x = 43,573.93

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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.