Home / 74,015.46-111,034.84-31,907.51

Finding the Fourth Proportional to 74,015.46, 111,034.84 and 31,907.51

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Solution

The fourth proportional to 74,015.46, 111,034.84 and 31,907.51 is: 47,866.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,015.46 : 111,034.84 = 31,907.51 : x
  2. Step 2: Convert to fraction form
    74,015.46/111,034.84 = 31,907.51/x
  3. Step 3: Cross multiply
    74,015.46x = 111,034.84 × 31,907.51
  4. Step 4: Simplify right side
    74,015.46x = 3,542,845,465.47
  5. Step 5: Solve for x
    x = 3,542,845,465.47/74,015.46
  6. Step 6: Final answer
    x = 47,866.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.