Home / 65,815.06-90,801.15-37,504.33

Finding the Fourth Proportional to 65,815.06, 90,801.15 and 37,504.33

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Solution

The fourth proportional to 65,815.06, 90,801.15 and 37,504.33 is: 51,742.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,815.06 : 90,801.15 = 37,504.33 : x
  2. Step 2: Convert to fraction form
    65,815.06/90,801.15 = 37,504.33/x
  3. Step 3: Cross multiply
    65,815.06x = 90,801.15 × 37,504.33
  4. Step 4: Simplify right side
    65,815.06x = 3,405,436,293.98
  5. Step 5: Solve for x
    x = 3,405,436,293.98/65,815.06
  6. Step 6: Final answer
    x = 51,742.51

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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.