Home / 70,478.28-105,694.83-23,080.52

Finding the Fourth Proportional to 70,478.28, 105,694.83 and 23,080.52

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Solution

The fourth proportional to 70,478.28, 105,694.83 and 23,080.52 is: 34,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,478.28 : 105,694.83 = 23,080.52 : x
  2. Step 2: Convert to fraction form
    70,478.28/105,694.83 = 23,080.52/x
  3. Step 3: Cross multiply
    70,478.28x = 105,694.83 × 23,080.52
  4. Step 4: Simplify right side
    70,478.28x = 2,439,491,109.24
  5. Step 5: Solve for x
    x = 2,439,491,109.24/70,478.28
  6. Step 6: Final answer
    x = 34,613.37

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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.