Home / 117,047.56-161,513.94-66,055.36

Finding the Fourth Proportional to 117,047.56, 161,513.94 and 66,055.36

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Solution

The fourth proportional to 117,047.56, 161,513.94 and 66,055.36 is: 91,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,047.56 : 161,513.94 = 66,055.36 : x
  2. Step 2: Convert to fraction form
    117,047.56/161,513.94 = 66,055.36/x
  3. Step 3: Cross multiply
    117,047.56x = 161,513.94 × 66,055.36
  4. Step 4: Simplify right side
    117,047.56x = 10,668,861,295.64
  5. Step 5: Solve for x
    x = 10,668,861,295.64/117,047.56
  6. Step 6: Final answer
    x = 91,149.80

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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.