Home / 54,467.28-75,107.88-43,118.64

Finding the Fourth Proportional to 54,467.28, 75,107.88 and 43,118.64

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Solution

The fourth proportional to 54,467.28, 75,107.88 and 43,118.64 is: 59,458.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,467.28 : 75,107.88 = 43,118.64 : x
  2. Step 2: Convert to fraction form
    54,467.28/75,107.88 = 43,118.64/x
  3. Step 3: Cross multiply
    54,467.28x = 75,107.88 × 43,118.64
  4. Step 4: Simplify right side
    54,467.28x = 3,238,549,638.88
  5. Step 5: Solve for x
    x = 3,238,549,638.88/54,467.28
  6. Step 6: Final answer
    x = 59,458.63

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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.