Home / 82,998.68-114,537.18-45,272.12

Finding the Fourth Proportional to 82,998.68, 114,537.18 and 45,272.12

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Solution

The fourth proportional to 82,998.68, 114,537.18 and 45,272.12 is: 62,474.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,998.68 : 114,537.18 = 45,272.12 : x
  2. Step 2: Convert to fraction form
    82,998.68/114,537.18 = 45,272.12/x
  3. Step 3: Cross multiply
    82,998.68x = 114,537.18 × 45,272.12
  4. Step 4: Simplify right side
    82,998.68x = 5,185,340,957.42
  5. Step 5: Solve for x
    x = 5,185,340,957.42/82,998.68
  6. Step 6: Final answer
    x = 62,474.98

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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.