Home / 52,716.24-72,751.26-31,218.66

Finding the Fourth Proportional to 52,716.24, 72,751.26 and 31,218.66

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Solution

The fourth proportional to 52,716.24, 72,751.26 and 31,218.66 is: 43,083.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,716.24 : 72,751.26 = 31,218.66 : x
  2. Step 2: Convert to fraction form
    52,716.24/72,751.26 = 31,218.66/x
  3. Step 3: Cross multiply
    52,716.24x = 72,751.26 × 31,218.66
  4. Step 4: Simplify right side
    52,716.24x = 2,271,196,850.51
  5. Step 5: Solve for x
    x = 2,271,196,850.51/52,716.24
  6. Step 6: Final answer
    x = 43,083.44

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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.