Home / 82,871.10-124,415.06-49,198.59

Finding the Fourth Proportional to 82,871.10, 124,415.06 and 49,198.59

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Solution

The fourth proportional to 82,871.10, 124,415.06 and 49,198.59 is: 73,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,871.10 : 124,415.06 = 49,198.59 : x
  2. Step 2: Convert to fraction form
    82,871.10/124,415.06 = 49,198.59/x
  3. Step 3: Cross multiply
    82,871.10x = 124,415.06 × 49,198.59
  4. Step 4: Simplify right side
    82,871.10x = 6,121,045,280.77
  5. Step 5: Solve for x
    x = 6,121,045,280.77/82,871.10
  6. Step 6: Final answer
    x = 73,862.24

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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.