Home / 45,815.41-68,701.31-17,748.57

Finding the Fourth Proportional to 45,815.41, 68,701.31 and 17,748.57

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Solution

The fourth proportional to 45,815.41, 68,701.31 and 17,748.57 is: 26,614.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,815.41 : 68,701.31 = 17,748.57 : x
  2. Step 2: Convert to fraction form
    45,815.41/68,701.31 = 17,748.57/x
  3. Step 3: Cross multiply
    45,815.41x = 68,701.31 × 17,748.57
  4. Step 4: Simplify right side
    45,815.41x = 1,219,350,009.63
  5. Step 5: Solve for x
    x = 1,219,350,009.63/45,815.41
  6. Step 6: Final answer
    x = 26,614.41

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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.