Home / 47,898.45-66,100.56-27,756.78

Finding the Fourth Proportional to 47,898.45, 66,100.56 and 27,756.78

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Solution

The fourth proportional to 47,898.45, 66,100.56 and 27,756.78 is: 38,304.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,898.45 : 66,100.56 = 27,756.78 : x
  2. Step 2: Convert to fraction form
    47,898.45/66,100.56 = 27,756.78/x
  3. Step 3: Cross multiply
    47,898.45x = 66,100.56 × 27,756.78
  4. Step 4: Simplify right side
    47,898.45x = 1,834,738,701.80
  5. Step 5: Solve for x
    x = 1,834,738,701.80/47,898.45
  6. Step 6: Final answer
    x = 38,304.76

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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.