Home / 82,998.19-114,534.10-49,017.61

Finding the Fourth Proportional to 82,998.19, 114,534.10 and 49,017.61

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Solution

The fourth proportional to 82,998.19, 114,534.10 and 49,017.61 is: 67,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,998.19 : 114,534.10 = 49,017.61 : x
  2. Step 2: Convert to fraction form
    82,998.19/114,534.10 = 49,017.61/x
  3. Step 3: Cross multiply
    82,998.19x = 114,534.10 × 49,017.61
  4. Step 4: Simplify right side
    82,998.19x = 5,614,187,405.69
  5. Step 5: Solve for x
    x = 5,614,187,405.69/82,998.19
  6. Step 6: Final answer
    x = 67,642.28

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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.