Home / 123,523.44-170,465.76-69,807.36

Finding the Fourth Proportional to 123,523.44, 170,465.76 and 69,807.36

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Solution

The fourth proportional to 123,523.44, 170,465.76 and 69,807.36 is: 96,336.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,523.44 : 170,465.76 = 69,807.36 : x
  2. Step 2: Convert to fraction form
    123,523.44/170,465.76 = 69,807.36/x
  3. Step 3: Cross multiply
    123,523.44x = 170,465.76 × 69,807.36
  4. Step 4: Simplify right side
    123,523.44x = 11,899,764,675.99
  5. Step 5: Solve for x
    x = 11,899,764,675.99/123,523.44
  6. Step 6: Final answer
    x = 96,336.09

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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.