Home / 123,364.24-170,241.21-69,651.52

Finding the Fourth Proportional to 123,364.24, 170,241.21 and 69,651.52

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Solution

The fourth proportional to 123,364.24, 170,241.21 and 69,651.52 is: 96,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,364.24 : 170,241.21 = 69,651.52 : x
  2. Step 2: Convert to fraction form
    123,364.24/170,241.21 = 69,651.52/x
  3. Step 3: Cross multiply
    123,364.24x = 170,241.21 × 69,651.52
  4. Step 4: Simplify right side
    123,364.24x = 11,857,559,043.14
  5. Step 5: Solve for x
    x = 11,857,559,043.14/123,364.24
  6. Step 6: Final answer
    x = 96,118.28

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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.