Home / 47,615.56-71,422.55-11,592.40

Finding the Fourth Proportional to 47,615.56, 71,422.55 and 11,592.40

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Solution

The fourth proportional to 47,615.56, 71,422.55 and 11,592.40 is: 17,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,615.56 : 71,422.55 = 11,592.40 : x
  2. Step 2: Convert to fraction form
    47,615.56/71,422.55 = 11,592.40/x
  3. Step 3: Cross multiply
    47,615.56x = 71,422.55 × 11,592.40
  4. Step 4: Simplify right side
    47,615.56x = 827,958,353.55
  5. Step 5: Solve for x
    x = 827,958,353.55/47,615.56
  6. Step 6: Final answer
    x = 17,388.40

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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.