Home / 84,513.24-116,608.56-57,711.56

Finding the Fourth Proportional to 84,513.24, 116,608.56 and 57,711.56

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Solution

The fourth proportional to 84,513.24, 116,608.56 and 57,711.56 is: 79,628.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,513.24 : 116,608.56 = 57,711.56 : x
  2. Step 2: Convert to fraction form
    84,513.24/116,608.56 = 57,711.56/x
  3. Step 3: Cross multiply
    84,513.24x = 116,608.56 × 57,711.56
  4. Step 4: Simplify right side
    84,513.24x = 6,729,661,906.95
  5. Step 5: Solve for x
    x = 6,729,661,906.95/84,513.24
  6. Step 6: Final answer
    x = 79,628.49

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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.