Home / 116,767.54-161,147.40-66,466.54

Finding the Fourth Proportional to 116,767.54, 161,147.40 and 66,466.54

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Solution

The fourth proportional to 116,767.54, 161,147.40 and 66,466.54 is: 91,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,767.54 : 161,147.40 = 66,466.54 : x
  2. Step 2: Convert to fraction form
    116,767.54/161,147.40 = 66,466.54/x
  3. Step 3: Cross multiply
    116,767.54x = 161,147.40 × 66,466.54
  4. Step 4: Simplify right side
    116,767.54x = 10,710,910,108.00
  5. Step 5: Solve for x
    x = 10,710,910,108.00/116,767.54
  6. Step 6: Final answer
    x = 91,728.49

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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.