Home / 47,880.90-66,057.68-27,730.43

Finding the Fourth Proportional to 47,880.90, 66,057.68 and 27,730.43

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Solution

The fourth proportional to 47,880.90, 66,057.68 and 27,730.43 is: 38,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,880.90 : 66,057.68 = 27,730.43 : x
  2. Step 2: Convert to fraction form
    47,880.90/66,057.68 = 27,730.43/x
  3. Step 3: Cross multiply
    47,880.90x = 66,057.68 × 27,730.43
  4. Step 4: Simplify right side
    47,880.90x = 1,831,807,871.20
  5. Step 5: Solve for x
    x = 1,831,807,871.20/47,880.90
  6. Step 6: Final answer
    x = 38,257.59

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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.