Home / 52,791.24-72,852.12-28,918.08

Finding the Fourth Proportional to 52,791.24, 72,852.12 and 28,918.08

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Solution

The fourth proportional to 52,791.24, 72,852.12 and 28,918.08 is: 39,907.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,791.24 : 72,852.12 = 28,918.08 : x
  2. Step 2: Convert to fraction form
    52,791.24/72,852.12 = 28,918.08/x
  3. Step 3: Cross multiply
    52,791.24x = 72,852.12 × 28,918.08
  4. Step 4: Simplify right side
    52,791.24x = 2,106,743,434.33
  5. Step 5: Solve for x
    x = 2,106,743,434.33/52,791.24
  6. Step 6: Final answer
    x = 39,907.06

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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.