Home / 53,271.20-73,517.60-30,302.36

Finding the Fourth Proportional to 53,271.20, 73,517.60 and 30,302.36

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Solution

The fourth proportional to 53,271.20, 73,517.60 and 30,302.36 is: 41,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,271.20 : 73,517.60 = 30,302.36 : x
  2. Step 2: Convert to fraction form
    53,271.20/73,517.60 = 30,302.36/x
  3. Step 3: Cross multiply
    53,271.20x = 73,517.60 × 30,302.36
  4. Step 4: Simplify right side
    53,271.20x = 2,227,756,262.44
  5. Step 5: Solve for x
    x = 2,227,756,262.44/53,271.20
  6. Step 6: Final answer
    x = 41,819.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.