Home / 75,284.32-112,890.73-43,704.06

Finding the Fourth Proportional to 75,284.32, 112,890.73 and 43,704.06

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Solution

The fourth proportional to 75,284.32, 112,890.73 and 43,704.06 is: 65,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,284.32 : 112,890.73 = 43,704.06 : x
  2. Step 2: Convert to fraction form
    75,284.32/112,890.73 = 43,704.06/x
  3. Step 3: Cross multiply
    75,284.32x = 112,890.73 × 43,704.06
  4. Step 4: Simplify right side
    75,284.32x = 4,933,783,237.36
  5. Step 5: Solve for x
    x = 4,933,783,237.36/75,284.32
  6. Step 6: Final answer
    x = 65,535.34

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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.