Home / 75,722.08-113,568.48-28,963.84

Finding the Fourth Proportional to 75,722.08, 113,568.48 and 28,963.84

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Solution

The fourth proportional to 75,722.08, 113,568.48 and 28,963.84 is: 43,440.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,722.08 : 113,568.48 = 28,963.84 : x
  2. Step 2: Convert to fraction form
    75,722.08/113,568.48 = 28,963.84/x
  3. Step 3: Cross multiply
    75,722.08x = 113,568.48 × 28,963.84
  4. Step 4: Simplify right side
    75,722.08x = 3,289,379,283.76
  5. Step 5: Solve for x
    x = 3,289,379,283.76/75,722.08
  6. Step 6: Final answer
    x = 43,440.16

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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.