Home / 124,890.40-187,286.30-49,996.60

Finding the Fourth Proportional to 124,890.40, 187,286.30 and 49,996.60

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Solution

The fourth proportional to 124,890.40, 187,286.30 and 49,996.60 is: 74,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,890.40 : 187,286.30 = 49,996.60 : x
  2. Step 2: Convert to fraction form
    124,890.40/187,286.30 = 49,996.60/x
  3. Step 3: Cross multiply
    124,890.40x = 187,286.30 × 49,996.60
  4. Step 4: Simplify right side
    124,890.40x = 9,363,678,226.58
  5. Step 5: Solve for x
    x = 9,363,678,226.58/124,890.40
  6. Step 6: Final answer
    x = 74,975.16

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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.