Home / 74,535.58-111,804.15-21,946.06

Finding the Fourth Proportional to 74,535.58, 111,804.15 and 21,946.06

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Solution

The fourth proportional to 74,535.58, 111,804.15 and 21,946.06 is: 32,919.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,535.58 : 111,804.15 = 21,946.06 : x
  2. Step 2: Convert to fraction form
    74,535.58/111,804.15 = 21,946.06/x
  3. Step 3: Cross multiply
    74,535.58x = 111,804.15 × 21,946.06
  4. Step 4: Simplify right side
    74,535.58x = 2,453,660,584.15
  5. Step 5: Solve for x
    x = 2,453,660,584.15/74,535.58
  6. Step 6: Final answer
    x = 32,919.32

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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.