Home / 123,607.38-170,577.24-69,894.32

Finding the Fourth Proportional to 123,607.38, 170,577.24 and 69,894.32

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Solution

The fourth proportional to 123,607.38, 170,577.24 and 69,894.32 is: 96,453.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,607.38 : 170,577.24 = 69,894.32 : x
  2. Step 2: Convert to fraction form
    123,607.38/170,577.24 = 69,894.32/x
  3. Step 3: Cross multiply
    123,607.38x = 170,577.24 × 69,894.32
  4. Step 4: Simplify right side
    123,607.38x = 11,922,379,344.39
  5. Step 5: Solve for x
    x = 11,922,379,344.39/123,607.38
  6. Step 6: Final answer
    x = 96,453.62

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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.