Home / 54,861.61-82,292.43-13,308.25

Finding the Fourth Proportional to 54,861.61, 82,292.43 and 13,308.25

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Solution

The fourth proportional to 54,861.61, 82,292.43 and 13,308.25 is: 19,962.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,861.61 : 82,292.43 = 13,308.25 : x
  2. Step 2: Convert to fraction form
    54,861.61/82,292.43 = 13,308.25/x
  3. Step 3: Cross multiply
    54,861.61x = 82,292.43 × 13,308.25
  4. Step 4: Simplify right side
    54,861.61x = 1,095,168,231.55
  5. Step 5: Solve for x
    x = 1,095,168,231.55/54,861.61
  6. Step 6: Final answer
    x = 19,962.38

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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.