Home / 48,875.94-73,431.30-31,379.94

Finding the Fourth Proportional to 48,875.94, 73,431.30 and 31,379.94

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Solution

The fourth proportional to 48,875.94, 73,431.30 and 31,379.94 is: 47,145.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,875.94 : 73,431.30 = 31,379.94 : x
  2. Step 2: Convert to fraction form
    48,875.94/73,431.30 = 31,379.94/x
  3. Step 3: Cross multiply
    48,875.94x = 73,431.30 × 31,379.94
  4. Step 4: Simplify right side
    48,875.94x = 2,304,269,788.12
  5. Step 5: Solve for x
    x = 2,304,269,788.12/48,875.94
  6. Step 6: Final answer
    x = 47,145.28

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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.