Home / 56,247.54-77,620.95-31,096.50

Finding the Fourth Proportional to 56,247.54, 77,620.95 and 31,096.50

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Solution

The fourth proportional to 56,247.54, 77,620.95 and 31,096.50 is: 42,912.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,247.54 : 77,620.95 = 31,096.50 : x
  2. Step 2: Convert to fraction form
    56,247.54/77,620.95 = 31,096.50/x
  3. Step 3: Cross multiply
    56,247.54x = 77,620.95 × 31,096.50
  4. Step 4: Simplify right side
    56,247.54x = 2,413,739,871.68
  5. Step 5: Solve for x
    x = 2,413,739,871.68/56,247.54
  6. Step 6: Final answer
    x = 42,912.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.