Home / 54,905.60-82,358.40-34,169.60

Finding the Fourth Proportional to 54,905.60, 82,358.40 and 34,169.60

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Solution

The fourth proportional to 54,905.60, 82,358.40 and 34,169.60 is: 51,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,905.60 : 82,358.40 = 34,169.60 : x
  2. Step 2: Convert to fraction form
    54,905.60/82,358.40 = 34,169.60/x
  3. Step 3: Cross multiply
    54,905.60x = 82,358.40 × 34,169.60
  4. Step 4: Simplify right side
    54,905.60x = 2,814,153,584.64
  5. Step 5: Solve for x
    x = 2,814,153,584.64/54,905.60
  6. Step 6: Final answer
    x = 51,254.40

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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.