Home / 51,133.44-76,700.80-17,853.60

Finding the Fourth Proportional to 51,133.44, 76,700.80 and 17,853.60

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Solution

The fourth proportional to 51,133.44, 76,700.80 and 17,853.60 is: 26,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,133.44 : 76,700.80 = 17,853.60 : x
  2. Step 2: Convert to fraction form
    51,133.44/76,700.80 = 17,853.60/x
  3. Step 3: Cross multiply
    51,133.44x = 76,700.80 × 17,853.60
  4. Step 4: Simplify right side
    51,133.44x = 1,369,385,402.88
  5. Step 5: Solve for x
    x = 1,369,385,402.88/51,133.44
  6. Step 6: Final answer
    x = 26,780.62

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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.