Home / 90,735.66-136,131.14-46,393.56

Finding the Fourth Proportional to 90,735.66, 136,131.14 and 46,393.56

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Solution

The fourth proportional to 90,735.66, 136,131.14 and 46,393.56 is: 69,604.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,735.66 : 136,131.14 = 46,393.56 : x
  2. Step 2: Convert to fraction form
    90,735.66/136,131.14 = 46,393.56/x
  3. Step 3: Cross multiply
    90,735.66x = 136,131.14 × 46,393.56
  4. Step 4: Simplify right side
    90,735.66x = 6,315,608,211.46
  5. Step 5: Solve for x
    x = 6,315,608,211.46/90,735.66
  6. Step 6: Final answer
    x = 69,604.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.