Home / 66,187.36-91,301.88-41,943.79

Finding the Fourth Proportional to 66,187.36, 91,301.88 and 41,943.79

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Solution

The fourth proportional to 66,187.36, 91,301.88 and 41,943.79 is: 57,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,187.36 : 91,301.88 = 41,943.79 : x
  2. Step 2: Convert to fraction form
    66,187.36/91,301.88 = 41,943.79/x
  3. Step 3: Cross multiply
    66,187.36x = 91,301.88 × 41,943.79
  4. Step 4: Simplify right side
    66,187.36x = 3,829,546,881.33
  5. Step 5: Solve for x
    x = 3,829,546,881.33/66,187.36
  6. Step 6: Final answer
    x = 57,859.19

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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.