Home / 117,477.56-162,080.44-66,485.22

Finding the Fourth Proportional to 117,477.56, 162,080.44 and 66,485.22

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Solution

The fourth proportional to 117,477.56, 162,080.44 and 66,485.22 is: 91,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,477.56 : 162,080.44 = 66,485.22 : x
  2. Step 2: Convert to fraction form
    117,477.56/162,080.44 = 66,485.22/x
  3. Step 3: Cross multiply
    117,477.56x = 162,080.44 × 66,485.22
  4. Step 4: Simplify right side
    117,477.56x = 10,775,953,544.88
  5. Step 5: Solve for x
    x = 10,775,953,544.88/117,477.56
  6. Step 6: Final answer
    x = 91,727.76

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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.