Home / 51,930.40-71,673.28-49,563.88

Finding the Fourth Proportional to 51,930.40, 71,673.28 and 49,563.88

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Solution

The fourth proportional to 51,930.40, 71,673.28 and 49,563.88 is: 68,407.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,930.40 : 71,673.28 = 49,563.88 : x
  2. Step 2: Convert to fraction form
    51,930.40/71,673.28 = 49,563.88/x
  3. Step 3: Cross multiply
    51,930.40x = 71,673.28 × 49,563.88
  4. Step 4: Simplify right side
    51,930.40x = 3,552,405,849.13
  5. Step 5: Solve for x
    x = 3,552,405,849.13/51,930.40
  6. Step 6: Final answer
    x = 68,407.06

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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.