Home / 97,428.10-146,146.40-30,873.14

Finding the Fourth Proportional to 97,428.10, 146,146.40 and 30,873.14

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Solution

The fourth proportional to 97,428.10, 146,146.40 and 30,873.14 is: 46,311.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,428.10 : 146,146.40 = 30,873.14 : x
  2. Step 2: Convert to fraction form
    97,428.10/146,146.40 = 30,873.14/x
  3. Step 3: Cross multiply
    97,428.10x = 146,146.40 × 30,873.14
  4. Step 4: Simplify right side
    97,428.10x = 4,511,998,267.70
  5. Step 5: Solve for x
    x = 4,511,998,267.70/97,428.10
  6. Step 6: Final answer
    x = 46,311.06

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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.