Home / 82,930.04-124,448.40-82,623.92

Finding the Fourth Proportional to 82,930.04, 124,448.40 and 82,623.92

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Solution

The fourth proportional to 82,930.04, 124,448.40 and 82,623.92 is: 123,989.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,930.04 : 124,448.40 = 82,623.92 : x
  2. Step 2: Convert to fraction form
    82,930.04/124,448.40 = 82,623.92/x
  3. Step 3: Cross multiply
    82,930.04x = 124,448.40 × 82,623.92
  4. Step 4: Simplify right side
    82,930.04x = 10,282,414,645.73
  5. Step 5: Solve for x
    x = 10,282,414,645.73/82,930.04
  6. Step 6: Final answer
    x = 123,989.02

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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.