Home / 115,906.70-173,860.05-53,577.20

Finding the Fourth Proportional to 115,906.70, 173,860.05 and 53,577.20

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Solution

The fourth proportional to 115,906.70, 173,860.05 and 53,577.20 is: 80,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,906.70 : 173,860.05 = 53,577.20 : x
  2. Step 2: Convert to fraction form
    115,906.70/173,860.05 = 53,577.20/x
  3. Step 3: Cross multiply
    115,906.70x = 173,860.05 × 53,577.20
  4. Step 4: Simplify right side
    115,906.70x = 9,314,934,670.86
  5. Step 5: Solve for x
    x = 9,314,934,670.86/115,906.70
  6. Step 6: Final answer
    x = 80,365.80

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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.