Home / 123,032.25-169,785.09-69,318.12

Finding the Fourth Proportional to 123,032.25, 169,785.09 and 69,318.12

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Solution

The fourth proportional to 123,032.25, 169,785.09 and 69,318.12 is: 95,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,032.25 : 169,785.09 = 69,318.12 : x
  2. Step 2: Convert to fraction form
    123,032.25/169,785.09 = 69,318.12/x
  3. Step 3: Cross multiply
    123,032.25x = 169,785.09 × 69,318.12
  4. Step 4: Simplify right side
    123,032.25x = 11,769,183,242.83
  5. Step 5: Solve for x
    x = 11,769,183,242.83/123,032.25
  6. Step 6: Final answer
    x = 95,659.34

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Similar ratio
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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.