Home / 116,829.24-161,215.02-69,084.60

Finding the Fourth Proportional to 116,829.24, 161,215.02 and 69,084.60

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Solution

The fourth proportional to 116,829.24, 161,215.02 and 69,084.60 is: 95,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,829.24 : 161,215.02 = 69,084.60 : x
  2. Step 2: Convert to fraction form
    116,829.24/161,215.02 = 69,084.60/x
  3. Step 3: Cross multiply
    116,829.24x = 161,215.02 × 69,084.60
  4. Step 4: Simplify right side
    116,829.24x = 11,137,475,170.69
  5. Step 5: Solve for x
    x = 11,137,475,170.69/116,829.24
  6. Step 6: Final answer
    x = 95,331.23

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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.