Home / 121,022.69-167,015.92-67,311.59

Finding the Fourth Proportional to 121,022.69, 167,015.92 and 67,311.59

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Solution

The fourth proportional to 121,022.69, 167,015.92 and 67,311.59 is: 92,892.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,022.69 : 167,015.92 = 67,311.59 : x
  2. Step 2: Convert to fraction form
    121,022.69/167,015.92 = 67,311.59/x
  3. Step 3: Cross multiply
    121,022.69x = 167,015.92 × 67,311.59
  4. Step 4: Simplify right side
    121,022.69x = 11,242,107,130.51
  5. Step 5: Solve for x
    x = 11,242,107,130.51/121,022.69
  6. Step 6: Final answer
    x = 92,892.56

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1.5x scale

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.