Home / 54,055.08-81,077.67-38,327.58

Finding the Fourth Proportional to 54,055.08, 81,077.67 and 38,327.58

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Solution

The fourth proportional to 54,055.08, 81,077.67 and 38,327.58 is: 57,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,055.08 : 81,077.67 = 38,327.58 : x
  2. Step 2: Convert to fraction form
    54,055.08/81,077.67 = 38,327.58/x
  3. Step 3: Cross multiply
    54,055.08x = 81,077.67 × 38,327.58
  4. Step 4: Simplify right side
    54,055.08x = 3,107,510,883.14
  5. Step 5: Solve for x
    x = 3,107,510,883.14/54,055.08
  6. Step 6: Final answer
    x = 57,487.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.