Home / 116,893.48-161,268.68-71,535.10

Finding the Fourth Proportional to 116,893.48, 161,268.68 and 71,535.10

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Solution

The fourth proportional to 116,893.48, 161,268.68 and 71,535.10 is: 98,691.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,893.48 : 161,268.68 = 71,535.10 : x
  2. Step 2: Convert to fraction form
    116,893.48/161,268.68 = 71,535.10/x
  3. Step 3: Cross multiply
    116,893.48x = 161,268.68 × 71,535.10
  4. Step 4: Simplify right side
    116,893.48x = 11,536,371,150.67
  5. Step 5: Solve for x
    x = 11,536,371,150.67/116,893.48
  6. Step 6: Final answer
    x = 98,691.31

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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.