Home / 82,311.36-113,574.67-48,321.28

Finding the Fourth Proportional to 82,311.36, 113,574.67 and 48,321.28

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Solution

The fourth proportional to 82,311.36, 113,574.67 and 48,321.28 is: 66,674.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,311.36 : 113,574.67 = 48,321.28 : x
  2. Step 2: Convert to fraction form
    82,311.36/113,574.67 = 48,321.28/x
  3. Step 3: Cross multiply
    82,311.36x = 113,574.67 × 48,321.28
  4. Step 4: Simplify right side
    82,311.36x = 5,488,073,429.98
  5. Step 5: Solve for x
    x = 5,488,073,429.98/82,311.36
  6. Step 6: Final answer
    x = 66,674.56

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1.5x scale

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.