Home / 78,773.27-118,159.70-33,765.44

Finding the Fourth Proportional to 78,773.27, 118,159.70 and 33,765.44

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Solution

The fourth proportional to 78,773.27, 118,159.70 and 33,765.44 is: 50,648.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,773.27 : 118,159.70 = 33,765.44 : x
  2. Step 2: Convert to fraction form
    78,773.27/118,159.70 = 33,765.44/x
  3. Step 3: Cross multiply
    78,773.27x = 118,159.70 × 33,765.44
  4. Step 4: Simplify right side
    78,773.27x = 3,989,713,880.96
  5. Step 5: Solve for x
    x = 3,989,713,880.96/78,773.27
  6. Step 6: Final answer
    x = 50,648.07

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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.