Home / 75,709.32-113,584.46-28,963.72

Finding the Fourth Proportional to 75,709.32, 113,584.46 and 28,963.72

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Solution

The fourth proportional to 75,709.32, 113,584.46 and 28,963.72 is: 43,453.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,709.32 : 113,584.46 = 28,963.72 : x
  2. Step 2: Convert to fraction form
    75,709.32/113,584.46 = 28,963.72/x
  3. Step 3: Cross multiply
    75,709.32x = 113,584.46 × 28,963.72
  4. Step 4: Simplify right side
    75,709.32x = 3,289,828,495.79
  5. Step 5: Solve for x
    x = 3,289,828,495.79/75,709.32
  6. Step 6: Final answer
    x = 43,453.41

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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.