Home / 48,314.70-72,438.30-28,583.10

Finding the Fourth Proportional to 48,314.70, 72,438.30 and 28,583.10

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Solution

The fourth proportional to 48,314.70, 72,438.30 and 28,583.10 is: 42,854.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,314.70 : 72,438.30 = 28,583.10 : x
  2. Step 2: Convert to fraction form
    48,314.70/72,438.30 = 28,583.10/x
  3. Step 3: Cross multiply
    48,314.70x = 72,438.30 × 28,583.10
  4. Step 4: Simplify right side
    48,314.70x = 2,070,511,172.73
  5. Step 5: Solve for x
    x = 2,070,511,172.73/48,314.70
  6. Step 6: Final answer
    x = 42,854.68

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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.