Home / 55,048.68-75,964.64-31,175.53

Finding the Fourth Proportional to 55,048.68, 75,964.64 and 31,175.53

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Solution

The fourth proportional to 55,048.68, 75,964.64 and 31,175.53 is: 43,020.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,048.68 : 75,964.64 = 31,175.53 : x
  2. Step 2: Convert to fraction form
    55,048.68/75,964.64 = 31,175.53/x
  3. Step 3: Cross multiply
    55,048.68x = 75,964.64 × 31,175.53
  4. Step 4: Simplify right side
    55,048.68x = 2,368,237,567.47
  5. Step 5: Solve for x
    x = 2,368,237,567.47/55,048.68
  6. Step 6: Final answer
    x = 43,020.79

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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.