Home / 116,720.02-161,071.44-71,394.66

Finding the Fourth Proportional to 116,720.02, 161,071.44 and 71,394.66

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Solution

The fourth proportional to 116,720.02, 161,071.44 and 71,394.66 is: 98,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,720.02 : 161,071.44 = 71,394.66 : x
  2. Step 2: Convert to fraction form
    116,720.02/161,071.44 = 71,394.66/x
  3. Step 3: Cross multiply
    116,720.02x = 161,071.44 × 71,394.66
  4. Step 4: Simplify right side
    116,720.02x = 11,499,640,694.51
  5. Step 5: Solve for x
    x = 11,499,640,694.51/116,720.02
  6. Step 6: Final answer
    x = 98,523.29

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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.