Home / 117,738.07-162,473.59-66,754.23

Finding the Fourth Proportional to 117,738.07, 162,473.59 and 66,754.23

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Solution

The fourth proportional to 117,738.07, 162,473.59 and 66,754.23 is: 92,118.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,738.07 : 162,473.59 = 66,754.23 : x
  2. Step 2: Convert to fraction form
    117,738.07/162,473.59 = 66,754.23/x
  3. Step 3: Cross multiply
    117,738.07x = 162,473.59 × 66,754.23
  4. Step 4: Simplify right side
    117,738.07x = 10,845,799,004.56
  5. Step 5: Solve for x
    x = 10,845,799,004.56/117,738.07
  6. Step 6: Final answer
    x = 92,118.03

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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.