Home / 65,815.11-90,824.49-35,600.34

Finding the Fourth Proportional to 65,815.11, 90,824.49 and 35,600.34

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Solution

The fourth proportional to 65,815.11, 90,824.49 and 35,600.34 is: 49,128.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,815.11 : 90,824.49 = 35,600.34 : x
  2. Step 2: Convert to fraction form
    65,815.11/90,824.49 = 35,600.34/x
  3. Step 3: Cross multiply
    65,815.11x = 90,824.49 × 35,600.34
  4. Step 4: Simplify right side
    65,815.11x = 3,233,382,724.33
  5. Step 5: Solve for x
    x = 3,233,382,724.33/65,815.11
  6. Step 6: Final answer
    x = 49,128.27

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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.