Home / 81,286.05-112,173.99-45,476.19

Finding the Fourth Proportional to 81,286.05, 112,173.99 and 45,476.19

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Solution

The fourth proportional to 81,286.05, 112,173.99 and 45,476.19 is: 62,756.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,286.05 : 112,173.99 = 45,476.19 : x
  2. Step 2: Convert to fraction form
    81,286.05/112,173.99 = 45,476.19/x
  3. Step 3: Cross multiply
    81,286.05x = 112,173.99 × 45,476.19
  4. Step 4: Simplify right side
    81,286.05x = 5,101,245,682.30
  5. Step 5: Solve for x
    x = 5,101,245,682.30/81,286.05
  6. Step 6: Final answer
    x = 62,756.72

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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.