Home / 116,913.56-161,302.65-71,544.20

Finding the Fourth Proportional to 116,913.56, 161,302.65 and 71,544.20

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Solution

The fourth proportional to 116,913.56, 161,302.65 and 71,544.20 is: 98,707.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,913.56 : 161,302.65 = 71,544.20 : x
  2. Step 2: Convert to fraction form
    116,913.56/161,302.65 = 71,544.20/x
  3. Step 3: Cross multiply
    116,913.56x = 161,302.65 × 71,544.20
  4. Step 4: Simplify right side
    116,913.56x = 11,540,269,052.13
  5. Step 5: Solve for x
    x = 11,540,269,052.13/116,913.56
  6. Step 6: Final answer
    x = 98,707.70

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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.