Home / 81,197.36-112,054.37-45,393.33

Finding the Fourth Proportional to 81,197.36, 112,054.37 and 45,393.33

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Solution

The fourth proportional to 81,197.36, 112,054.37 and 45,393.33 is: 62,643.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,197.36 : 112,054.37 = 45,393.33 : x
  2. Step 2: Convert to fraction form
    81,197.36/112,054.37 = 45,393.33/x
  3. Step 3: Cross multiply
    81,197.36x = 112,054.37 × 45,393.33
  4. Step 4: Simplify right side
    81,197.36x = 5,086,520,768.39
  5. Step 5: Solve for x
    x = 5,086,520,768.39/81,197.36
  6. Step 6: Final answer
    x = 62,643.92

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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.