Home / 78,822.43-118,280.33-73,835.26

Finding the Fourth Proportional to 78,822.43, 118,280.33 and 73,835.26

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Solution

The fourth proportional to 78,822.43, 118,280.33 and 73,835.26 is: 110,796.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,822.43 : 118,280.33 = 73,835.26 : x
  2. Step 2: Convert to fraction form
    78,822.43/118,280.33 = 73,835.26/x
  3. Step 3: Cross multiply
    78,822.43x = 118,280.33 × 73,835.26
  4. Step 4: Simplify right side
    78,822.43x = 8,733,259,278.43
  5. Step 5: Solve for x
    x = 8,733,259,278.43/78,822.43
  6. Step 6: Final answer
    x = 110,796.63

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1.5x scale

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.