Home / 90,735.86-136,131.44-46,393.74

Finding the Fourth Proportional to 90,735.86, 136,131.44 and 46,393.74

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Solution

The fourth proportional to 90,735.86, 136,131.44 and 46,393.74 is: 69,604.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,735.86 : 136,131.44 = 46,393.74 : x
  2. Step 2: Convert to fraction form
    90,735.86/136,131.44 = 46,393.74/x
  3. Step 3: Cross multiply
    90,735.86x = 136,131.44 × 46,393.74
  4. Step 4: Simplify right side
    90,735.86x = 6,315,646,633.19
  5. Step 5: Solve for x
    x = 6,315,646,633.19/90,735.86
  6. Step 6: Final answer
    x = 69,604.75

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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.