Home / 74,022.32-111,075.81-31,324.39

Finding the Fourth Proportional to 74,022.32, 111,075.81 and 31,324.39

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Solution

The fourth proportional to 74,022.32, 111,075.81 and 31,324.39 is: 47,004.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,022.32 : 111,075.81 = 31,324.39 : x
  2. Step 2: Convert to fraction form
    74,022.32/111,075.81 = 31,324.39/x
  3. Step 3: Cross multiply
    74,022.32x = 111,075.81 × 31,324.39
  4. Step 4: Simplify right side
    74,022.32x = 3,479,381,922.58
  5. Step 5: Solve for x
    x = 3,479,381,922.58/74,022.32
  6. Step 6: Final answer
    x = 47,004.49

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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.