Home / 80,442.60-111,026.94-46,456.62

Finding the Fourth Proportional to 80,442.60, 111,026.94 and 46,456.62

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Solution

The fourth proportional to 80,442.60, 111,026.94 and 46,456.62 is: 64,119.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,442.60 : 111,026.94 = 46,456.62 : x
  2. Step 2: Convert to fraction form
    80,442.60/111,026.94 = 46,456.62/x
  3. Step 3: Cross multiply
    80,442.60x = 111,026.94 × 46,456.62
  4. Step 4: Simplify right side
    80,442.60x = 5,157,936,361.34
  5. Step 5: Solve for x
    x = 5,157,936,361.34/80,442.60
  6. Step 6: Final answer
    x = 64,119.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.