Home / 66,131.09-91,208.14-43,493.33

Finding the Fourth Proportional to 66,131.09, 91,208.14 and 43,493.33

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Solution

The fourth proportional to 66,131.09, 91,208.14 and 43,493.33 is: 59,986.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,131.09 : 91,208.14 = 43,493.33 : x
  2. Step 2: Convert to fraction form
    66,131.09/91,208.14 = 43,493.33/x
  3. Step 3: Cross multiply
    66,131.09x = 91,208.14 × 43,493.33
  4. Step 4: Simplify right side
    66,131.09x = 3,966,945,058.20
  5. Step 5: Solve for x
    x = 3,966,945,058.20/66,131.09
  6. Step 6: Final answer
    x = 59,986.08

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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.