Home / 81,219.14-112,096.26-47,247.32

Finding the Fourth Proportional to 81,219.14, 112,096.26 and 47,247.32

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Solution

The fourth proportional to 81,219.14, 112,096.26 and 47,247.32 is: 65,209.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,219.14 : 112,096.26 = 47,247.32 : x
  2. Step 2: Convert to fraction form
    81,219.14/112,096.26 = 47,247.32/x
  3. Step 3: Cross multiply
    81,219.14x = 112,096.26 × 47,247.32
  4. Step 4: Simplify right side
    81,219.14x = 5,296,247,867.02
  5. Step 5: Solve for x
    x = 5,296,247,867.02/81,219.14
  6. Step 6: Final answer
    x = 65,209.36

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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.