Home / 107,071.70-160,517.24-67,541.68

Finding the Fourth Proportional to 107,071.70, 160,517.24 and 67,541.68

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Solution

The fourth proportional to 107,071.70, 160,517.24 and 67,541.68 is: 101,255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,071.70 : 160,517.24 = 67,541.68 : x
  2. Step 2: Convert to fraction form
    107,071.70/160,517.24 = 67,541.68/x
  3. Step 3: Cross multiply
    107,071.70x = 160,517.24 × 67,541.68
  4. Step 4: Simplify right side
    107,071.70x = 10,841,602,918.27
  5. Step 5: Solve for x
    x = 10,841,602,918.27/107,071.70
  6. Step 6: Final answer
    x = 101,255.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.