Home / 78,847.02-118,257.72-22,674.33

Finding the Fourth Proportional to 78,847.02, 118,257.72 and 22,674.33

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Solution

The fourth proportional to 78,847.02, 118,257.72 and 22,674.33 is: 34,007.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,847.02 : 118,257.72 = 22,674.33 : x
  2. Step 2: Convert to fraction form
    78,847.02/118,257.72 = 22,674.33/x
  3. Step 3: Cross multiply
    78,847.02x = 118,257.72 × 22,674.33
  4. Step 4: Simplify right side
    78,847.02x = 2,681,414,568.33
  5. Step 5: Solve for x
    x = 2,681,414,568.33/78,847.02
  6. Step 6: Final answer
    x = 34,007.81

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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.