Home / 78,544.04-117,819.95-22,392.42

Finding the Fourth Proportional to 78,544.04, 117,819.95 and 22,392.42

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Solution

The fourth proportional to 78,544.04, 117,819.95 and 22,392.42 is: 33,589.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,544.04 : 117,819.95 = 22,392.42 : x
  2. Step 2: Convert to fraction form
    78,544.04/117,819.95 = 22,392.42/x
  3. Step 3: Cross multiply
    78,544.04x = 117,819.95 × 22,392.42
  4. Step 4: Simplify right side
    78,544.04x = 2,638,273,804.78
  5. Step 5: Solve for x
    x = 2,638,273,804.78/78,544.04
  6. Step 6: Final answer
    x = 33,589.74

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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.