Home / 62,947.09-86,857.75-35,718.94

Finding the Fourth Proportional to 62,947.09, 86,857.75 and 35,718.94

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Solution

The fourth proportional to 62,947.09, 86,857.75 and 35,718.94 is: 49,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,947.09 : 86,857.75 = 35,718.94 : x
  2. Step 2: Convert to fraction form
    62,947.09/86,857.75 = 35,718.94/x
  3. Step 3: Cross multiply
    62,947.09x = 86,857.75 × 35,718.94
  4. Step 4: Simplify right side
    62,947.09x = 3,102,466,914.01
  5. Step 5: Solve for x
    x = 3,102,466,914.01/62,947.09
  6. Step 6: Final answer
    x = 49,286.90

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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.