Home / 82,749.90-123,968.24-48,914.62

Finding the Fourth Proportional to 82,749.90, 123,968.24 and 48,914.62

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Solution

The fourth proportional to 82,749.90, 123,968.24 and 48,914.62 is: 73,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,749.90 : 123,968.24 = 48,914.62 : x
  2. Step 2: Convert to fraction form
    82,749.90/123,968.24 = 48,914.62/x
  3. Step 3: Cross multiply
    82,749.90x = 123,968.24 × 48,914.62
  4. Step 4: Simplify right side
    82,749.90x = 6,063,858,980.60
  5. Step 5: Solve for x
    x = 6,063,858,980.60/82,749.90
  6. Step 6: Final answer
    x = 73,279.35

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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.