Home / 53,353.22-80,028.91-15,913.40

Finding the Fourth Proportional to 53,353.22, 80,028.91 and 15,913.40

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Solution

The fourth proportional to 53,353.22, 80,028.91 and 15,913.40 is: 23,869.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,353.22 : 80,028.91 = 15,913.40 : x
  2. Step 2: Convert to fraction form
    53,353.22/80,028.91 = 15,913.40/x
  3. Step 3: Cross multiply
    53,353.22x = 80,028.91 × 15,913.40
  4. Step 4: Simplify right side
    53,353.22x = 1,273,531,676.14
  5. Step 5: Solve for x
    x = 1,273,531,676.14/53,353.22
  6. Step 6: Final answer
    x = 23,869.82

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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.