Home / 123,954.08-171,018.64-70,230.56

Finding the Fourth Proportional to 123,954.08, 171,018.64 and 70,230.56

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Solution

The fourth proportional to 123,954.08, 171,018.64 and 70,230.56 is: 96,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,954.08 : 171,018.64 = 70,230.56 : x
  2. Step 2: Convert to fraction form
    123,954.08/171,018.64 = 70,230.56/x
  3. Step 3: Cross multiply
    123,954.08x = 171,018.64 × 70,230.56
  4. Step 4: Simplify right side
    123,954.08x = 12,010,734,857.64
  5. Step 5: Solve for x
    x = 12,010,734,857.64/123,954.08
  6. Step 6: Final answer
    x = 96,896.65

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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.