Home / 62,725.87-86,578.29-38,838.97

Finding the Fourth Proportional to 62,725.87, 86,578.29 and 38,838.97

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Solution

The fourth proportional to 62,725.87, 86,578.29 and 38,838.97 is: 53,608.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,725.87 : 86,578.29 = 38,838.97 : x
  2. Step 2: Convert to fraction form
    62,725.87/86,578.29 = 38,838.97/x
  3. Step 3: Cross multiply
    62,725.87x = 86,578.29 × 38,838.97
  4. Step 4: Simplify right side
    62,725.87x = 3,362,611,391.52
  5. Step 5: Solve for x
    x = 3,362,611,391.52/62,725.87
  6. Step 6: Final answer
    x = 53,608.05

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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.