Home / 54,361.77-74,987.39-34,186.65

Finding the Fourth Proportional to 54,361.77, 74,987.39 and 34,186.65

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Solution

The fourth proportional to 54,361.77, 74,987.39 and 34,186.65 is: 47,157.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,361.77 : 74,987.39 = 34,186.65 : x
  2. Step 2: Convert to fraction form
    54,361.77/74,987.39 = 34,186.65/x
  3. Step 3: Cross multiply
    54,361.77x = 74,987.39 × 34,186.65
  4. Step 4: Simplify right side
    54,361.77x = 2,563,567,485.41
  5. Step 5: Solve for x
    x = 2,563,567,485.41/54,361.77
  6. Step 6: Final answer
    x = 47,157.54

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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.