Home / 56,122.46-77,448.49-30,629.32

Finding the Fourth Proportional to 56,122.46, 77,448.49 and 30,629.32

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Solution

The fourth proportional to 56,122.46, 77,448.49 and 30,629.32 is: 42,268.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,122.46 : 77,448.49 = 30,629.32 : x
  2. Step 2: Convert to fraction form
    56,122.46/77,448.49 = 30,629.32/x
  3. Step 3: Cross multiply
    56,122.46x = 77,448.49 × 30,629.32
  4. Step 4: Simplify right side
    56,122.46x = 2,372,194,583.73
  5. Step 5: Solve for x
    x = 2,372,194,583.73/56,122.46
  6. Step 6: Final answer
    x = 42,268.19

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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.