Home / 54,909.90-82,357.52-15,470.09

Finding the Fourth Proportional to 54,909.90, 82,357.52 and 15,470.09

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Solution

The fourth proportional to 54,909.90, 82,357.52 and 15,470.09 is: 23,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,909.90 : 82,357.52 = 15,470.09 : x
  2. Step 2: Convert to fraction form
    54,909.90/82,357.52 = 15,470.09/x
  3. Step 3: Cross multiply
    54,909.90x = 82,357.52 × 15,470.09
  4. Step 4: Simplify right side
    54,909.90x = 1,274,077,757.44
  5. Step 5: Solve for x
    x = 1,274,077,757.44/54,909.90
  6. Step 6: Final answer
    x = 23,203.06

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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.