Home / 89,563.74-123,615.62-51,348.94

Finding the Fourth Proportional to 89,563.74, 123,615.62 and 51,348.94

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Solution

The fourth proportional to 89,563.74, 123,615.62 and 51,348.94 is: 70,871.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,563.74 : 123,615.62 = 51,348.94 : x
  2. Step 2: Convert to fraction form
    89,563.74/123,615.62 = 51,348.94/x
  3. Step 3: Cross multiply
    89,563.74x = 123,615.62 × 51,348.94
  4. Step 4: Simplify right side
    89,563.74x = 6,347,531,054.44
  5. Step 5: Solve for x
    x = 6,347,531,054.44/89,563.74
  6. Step 6: Final answer
    x = 70,871.66

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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.