Home / 117,032.87-161,505.27-66,056.33

Finding the Fourth Proportional to 117,032.87, 161,505.27 and 66,056.33

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Solution

The fourth proportional to 117,032.87, 161,505.27 and 66,056.33 is: 91,157.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,032.87 : 161,505.27 = 66,056.33 : x
  2. Step 2: Convert to fraction form
    117,032.87/161,505.27 = 66,056.33/x
  3. Step 3: Cross multiply
    117,032.87x = 161,505.27 × 66,056.33
  4. Step 4: Simplify right side
    117,032.87x = 10,668,444,604.33
  5. Step 5: Solve for x
    x = 10,668,444,604.33/117,032.87
  6. Step 6: Final answer
    x = 91,157.68

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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.