Home / 108,485.06-162,731.90-46,112.90

Finding the Fourth Proportional to 108,485.06, 162,731.90 and 46,112.90

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Solution

The fourth proportional to 108,485.06, 162,731.90 and 46,112.90 is: 69,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,485.06 : 162,731.90 = 46,112.90 : x
  2. Step 2: Convert to fraction form
    108,485.06/162,731.90 = 46,112.90/x
  3. Step 3: Cross multiply
    108,485.06x = 162,731.90 × 46,112.90
  4. Step 4: Simplify right side
    108,485.06x = 7,504,039,133.13
  5. Step 5: Solve for x
    x = 7,504,039,133.13/108,485.06
  6. Step 6: Final answer
    x = 69,171.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.