Home / 48,463.38-72,730.58-31,817.54

Finding the Fourth Proportional to 48,463.38, 72,730.58 and 31,817.54

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Solution

The fourth proportional to 48,463.38, 72,730.58 and 31,817.54 is: 47,749.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,463.38 : 72,730.58 = 31,817.54 : x
  2. Step 2: Convert to fraction form
    48,463.38/72,730.58 = 31,817.54/x
  3. Step 3: Cross multiply
    48,463.38x = 72,730.58 × 31,817.54
  4. Step 4: Simplify right side
    48,463.38x = 2,314,108,161.11
  5. Step 5: Solve for x
    x = 2,314,108,161.11/48,463.38
  6. Step 6: Final answer
    x = 47,749.62

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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.