Home / 51,908.66-71,549.82-40,558.36

Finding the Fourth Proportional to 51,908.66, 71,549.82 and 40,558.36

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Solution

The fourth proportional to 51,908.66, 71,549.82 and 40,558.36 is: 55,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,908.66 : 71,549.82 = 40,558.36 : x
  2. Step 2: Convert to fraction form
    51,908.66/71,549.82 = 40,558.36/x
  3. Step 3: Cross multiply
    51,908.66x = 71,549.82 × 40,558.36
  4. Step 4: Simplify right side
    51,908.66x = 2,901,943,357.50
  5. Step 5: Solve for x
    x = 2,901,943,357.50/51,908.66
  6. Step 6: Final answer
    x = 55,904.80

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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.