Home / 47,965.04-66,196.68-28,850.96

Finding the Fourth Proportional to 47,965.04, 66,196.68 and 28,850.96

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Solution

The fourth proportional to 47,965.04, 66,196.68 and 28,850.96 is: 39,817.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,965.04 : 66,196.68 = 28,850.96 : x
  2. Step 2: Convert to fraction form
    47,965.04/66,196.68 = 28,850.96/x
  3. Step 3: Cross multiply
    47,965.04x = 66,196.68 × 28,850.96
  4. Step 4: Simplify right side
    47,965.04x = 1,909,837,766.81
  5. Step 5: Solve for x
    x = 1,909,837,766.81/47,965.04
  6. Step 6: Final answer
    x = 39,817.29

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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.