Home / 82,372.02-123,558.03-20,041.98

Finding the Fourth Proportional to 82,372.02, 123,558.03 and 20,041.98

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Solution

The fourth proportional to 82,372.02, 123,558.03 and 20,041.98 is: 30,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,372.02 : 123,558.03 = 20,041.98 : x
  2. Step 2: Convert to fraction form
    82,372.02/123,558.03 = 20,041.98/x
  3. Step 3: Cross multiply
    82,372.02x = 123,558.03 × 20,041.98
  4. Step 4: Simplify right side
    82,372.02x = 2,476,347,566.10
  5. Step 5: Solve for x
    x = 2,476,347,566.10/82,372.02
  6. Step 6: Final answer
    x = 30,062.97

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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.