Home / 82,485.04-123,745.76-35,097.60

Finding the Fourth Proportional to 82,485.04, 123,745.76 and 35,097.60

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Solution

The fourth proportional to 82,485.04, 123,745.76 and 35,097.60 is: 52,654.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,485.04 : 123,745.76 = 35,097.60 : x
  2. Step 2: Convert to fraction form
    82,485.04/123,745.76 = 35,097.60/x
  3. Step 3: Cross multiply
    82,485.04x = 123,745.76 × 35,097.60
  4. Step 4: Simplify right side
    82,485.04x = 4,343,179,186.18
  5. Step 5: Solve for x
    x = 4,343,179,186.18/82,485.04
  6. Step 6: Final answer
    x = 52,654.14

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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.