Home / 117,080.35-161,531.07-66,087.07

Finding the Fourth Proportional to 117,080.35, 161,531.07 and 66,087.07

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Solution

The fourth proportional to 117,080.35, 161,531.07 and 66,087.07 is: 91,177.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,080.35 : 161,531.07 = 66,087.07 : x
  2. Step 2: Convert to fraction form
    117,080.35/161,531.07 = 66,087.07/x
  3. Step 3: Cross multiply
    117,080.35x = 161,531.07 × 66,087.07
  4. Step 4: Simplify right side
    117,080.35x = 10,675,115,130.26
  5. Step 5: Solve for x
    x = 10,675,115,130.26/117,080.35
  6. Step 6: Final answer
    x = 91,177.68

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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.