Home / 123,313.49-170,173.19-69,600.77

Finding the Fourth Proportional to 123,313.49, 170,173.19 and 69,600.77

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Solution

The fourth proportional to 123,313.49, 170,173.19 and 69,600.77 is: 96,049.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,313.49 : 170,173.19 = 69,600.77 : x
  2. Step 2: Convert to fraction form
    123,313.49/170,173.19 = 69,600.77/x
  3. Step 3: Cross multiply
    123,313.49x = 170,173.19 × 69,600.77
  4. Step 4: Simplify right side
    123,313.49x = 11,844,184,380.49
  5. Step 5: Solve for x
    x = 11,844,184,380.49/123,313.49
  6. Step 6: Final answer
    x = 96,049.38

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1.5x scale

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.