Home / 117,035.87-161,509.41-66,059.33

Finding the Fourth Proportional to 117,035.87, 161,509.41 and 66,059.33

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Solution

The fourth proportional to 117,035.87, 161,509.41 and 66,059.33 is: 91,161.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,035.87 : 161,509.41 = 66,059.33 : x
  2. Step 2: Convert to fraction form
    117,035.87/161,509.41 = 66,059.33/x
  3. Step 3: Cross multiply
    117,035.87x = 161,509.41 × 66,059.33
  4. Step 4: Simplify right side
    117,035.87x = 10,669,202,605.75
  5. Step 5: Solve for x
    x = 10,669,202,605.75/117,035.87
  6. Step 6: Final answer
    x = 91,161.82

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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.