Home / 84,175.20-116,174.36-53,994.56

Finding the Fourth Proportional to 84,175.20, 116,174.36 and 53,994.56

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Solution

The fourth proportional to 84,175.20, 116,174.36 and 53,994.56 is: 74,520.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,175.20 : 116,174.36 = 53,994.56 : x
  2. Step 2: Convert to fraction form
    84,175.20/116,174.36 = 53,994.56/x
  3. Step 3: Cross multiply
    84,175.20x = 116,174.36 × 53,994.56
  4. Step 4: Simplify right side
    84,175.20x = 6,272,783,451.48
  5. Step 5: Solve for x
    x = 6,272,783,451.48/84,175.20
  6. Step 6: Final answer
    x = 74,520.56

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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.