Home / 116,985.24-161,370.36-71,683.56

Finding the Fourth Proportional to 116,985.24, 161,370.36 and 71,683.56

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Solution

The fourth proportional to 116,985.24, 161,370.36 and 71,683.56 is: 98,880.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,985.24 : 161,370.36 = 71,683.56 : x
  2. Step 2: Convert to fraction form
    116,985.24/161,370.36 = 71,683.56/x
  3. Step 3: Cross multiply
    116,985.24x = 161,370.36 × 71,683.56
  4. Step 4: Simplify right side
    116,985.24x = 11,567,601,883.28
  5. Step 5: Solve for x
    x = 11,567,601,883.28/116,985.24
  6. Step 6: Final answer
    x = 98,880.87

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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.