Home / 84,170.10-116,105.76-53,944.68

Finding the Fourth Proportional to 84,170.10, 116,105.76 and 53,944.68

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Solution

The fourth proportional to 84,170.10, 116,105.76 and 53,944.68 is: 74,412.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,170.10 : 116,105.76 = 53,944.68 : x
  2. Step 2: Convert to fraction form
    84,170.10/116,105.76 = 53,944.68/x
  3. Step 3: Cross multiply
    84,170.10x = 116,105.76 × 53,944.68
  4. Step 4: Simplify right side
    84,170.10x = 6,263,288,069.36
  5. Step 5: Solve for x
    x = 6,263,288,069.36/84,170.10
  6. Step 6: Final answer
    x = 74,412.27

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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.