Home / 116,782.22-161,162.69-71,459.39

Finding the Fourth Proportional to 116,782.22, 161,162.69 and 71,459.39

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Solution

The fourth proportional to 116,782.22, 161,162.69 and 71,459.39 is: 98,615.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,782.22 : 161,162.69 = 71,459.39 : x
  2. Step 2: Convert to fraction form
    116,782.22/161,162.69 = 71,459.39/x
  3. Step 3: Cross multiply
    116,782.22x = 161,162.69 × 71,459.39
  4. Step 4: Simplify right side
    116,782.22x = 11,516,586,355.05
  5. Step 5: Solve for x
    x = 11,516,586,355.05/116,782.22
  6. Step 6: Final answer
    x = 98,615.93

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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.