Home / 123,900.24-170,996.02-69,457.64

Finding the Fourth Proportional to 123,900.24, 170,996.02 and 69,457.64

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Solution

The fourth proportional to 123,900.24, 170,996.02 and 69,457.64 is: 95,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,900.24 : 170,996.02 = 69,457.64 : x
  2. Step 2: Convert to fraction form
    123,900.24/170,996.02 = 69,457.64/x
  3. Step 3: Cross multiply
    123,900.24x = 170,996.02 × 69,457.64
  4. Step 4: Simplify right side
    123,900.24x = 11,876,980,252.44
  5. Step 5: Solve for x
    x = 11,876,980,252.44/123,900.24
  6. Step 6: Final answer
    x = 95,859.22

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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.