Home / 57,101.14-85,676.28-30,775.06

Finding the Fourth Proportional to 57,101.14, 85,676.28 and 30,775.06

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Solution

The fourth proportional to 57,101.14, 85,676.28 and 30,775.06 is: 46,175.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,101.14 : 85,676.28 = 30,775.06 : x
  2. Step 2: Convert to fraction form
    57,101.14/85,676.28 = 30,775.06/x
  3. Step 3: Cross multiply
    57,101.14x = 85,676.28 × 30,775.06
  4. Step 4: Simplify right side
    57,101.14x = 2,636,692,657.58
  5. Step 5: Solve for x
    x = 2,636,692,657.58/57,101.14
  6. Step 6: Final answer
    x = 46,175.83

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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.