Home / 98,374.07-147,255.66-53,283.44

Finding the Fourth Proportional to 98,374.07, 147,255.66 and 53,283.44

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Solution

The fourth proportional to 98,374.07, 147,255.66 and 53,283.44 is: 79,759.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,374.07 : 147,255.66 = 53,283.44 : x
  2. Step 2: Convert to fraction form
    98,374.07/147,255.66 = 53,283.44/x
  3. Step 3: Cross multiply
    98,374.07x = 147,255.66 × 53,283.44
  4. Step 4: Simplify right side
    98,374.07x = 7,846,287,121.57
  5. Step 5: Solve for x
    x = 7,846,287,121.57/98,374.07
  6. Step 6: Final answer
    x = 79,759.71

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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.