Home / 49,783.70-74,675.55-45,982.10

Finding the Fourth Proportional to 49,783.70, 74,675.55 and 45,982.10

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Solution

The fourth proportional to 49,783.70, 74,675.55 and 45,982.10 is: 68,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,783.70 : 74,675.55 = 45,982.10 : x
  2. Step 2: Convert to fraction form
    49,783.70/74,675.55 = 45,982.10/x
  3. Step 3: Cross multiply
    49,783.70x = 74,675.55 × 45,982.10
  4. Step 4: Simplify right side
    49,783.70x = 3,433,738,607.66
  5. Step 5: Solve for x
    x = 3,433,738,607.66/49,783.70
  6. Step 6: Final answer
    x = 68,973.15

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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.