Home / 48,722.20-72,953.70-31,096.60

Finding the Fourth Proportional to 48,722.20, 72,953.70 and 31,096.60

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Solution

The fourth proportional to 48,722.20, 72,953.70 and 31,096.60 is: 46,562.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,722.20 : 72,953.70 = 31,096.60 : x
  2. Step 2: Convert to fraction form
    48,722.20/72,953.70 = 31,096.60/x
  3. Step 3: Cross multiply
    48,722.20x = 72,953.70 × 31,096.60
  4. Step 4: Simplify right side
    48,722.20x = 2,268,612,027.42
  5. Step 5: Solve for x
    x = 2,268,612,027.42/48,722.20
  6. Step 6: Final answer
    x = 46,562.18

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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.