Home / 70,732.78-106,106.09-25,766.35

Finding the Fourth Proportional to 70,732.78, 106,106.09 and 25,766.35

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Solution

The fourth proportional to 70,732.78, 106,106.09 and 25,766.35 is: 38,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,732.78 : 106,106.09 = 25,766.35 : x
  2. Step 2: Convert to fraction form
    70,732.78/106,106.09 = 25,766.35/x
  3. Step 3: Cross multiply
    70,732.78x = 106,106.09 × 25,766.35
  4. Step 4: Simplify right side
    70,732.78x = 2,733,967,072.22
  5. Step 5: Solve for x
    x = 2,733,967,072.22/70,732.78
  6. Step 6: Final answer
    x = 38,652.05

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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.