Home / 75,299.10-112,912.30-43,717.12

Finding the Fourth Proportional to 75,299.10, 112,912.30 and 43,717.12

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Solution

The fourth proportional to 75,299.10, 112,912.30 and 43,717.12 is: 65,554.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,299.10 : 112,912.30 = 43,717.12 : x
  2. Step 2: Convert to fraction form
    75,299.10/112,912.30 = 43,717.12/x
  3. Step 3: Cross multiply
    75,299.10x = 112,912.30 × 43,717.12
  4. Step 4: Simplify right side
    75,299.10x = 4,936,200,568.58
  5. Step 5: Solve for x
    x = 4,936,200,568.58/75,299.10
  6. Step 6: Final answer
    x = 65,554.58

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1.5x scale

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.