Home / 116,783.22-161,164.07-71,460.39

Finding the Fourth Proportional to 116,783.22, 161,164.07 and 71,460.39

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Solution

The fourth proportional to 116,783.22, 161,164.07 and 71,460.39 is: 98,617.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,783.22 : 161,164.07 = 71,460.39 : x
  2. Step 2: Convert to fraction form
    116,783.22/161,164.07 = 71,460.39/x
  3. Step 3: Cross multiply
    116,783.22x = 161,164.07 × 71,460.39
  4. Step 4: Simplify right side
    116,783.22x = 11,516,847,296.19
  5. Step 5: Solve for x
    x = 11,516,847,296.19/116,783.22
  6. Step 6: Final answer
    x = 98,617.31

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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.