Home / 117,041.54-161,471.37-67,974.81

Finding the Fourth Proportional to 117,041.54, 161,471.37 and 67,974.81

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Solution

The fourth proportional to 117,041.54, 161,471.37 and 67,974.81 is: 93,778.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,041.54 : 161,471.37 = 67,974.81 : x
  2. Step 2: Convert to fraction form
    117,041.54/161,471.37 = 67,974.81/x
  3. Step 3: Cross multiply
    117,041.54x = 161,471.37 × 67,974.81
  4. Step 4: Simplify right side
    117,041.54x = 10,975,985,696.19
  5. Step 5: Solve for x
    x = 10,975,985,696.19/117,041.54
  6. Step 6: Final answer
    x = 93,778.55

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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.