Home / 45,423.99-68,145.09-15,833.88

Finding the Fourth Proportional to 45,423.99, 68,145.09 and 15,833.88

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Solution

The fourth proportional to 45,423.99, 68,145.09 and 15,833.88 is: 23,753.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,423.99 : 68,145.09 = 15,833.88 : x
  2. Step 2: Convert to fraction form
    45,423.99/68,145.09 = 15,833.88/x
  3. Step 3: Cross multiply
    45,423.99x = 68,145.09 × 15,833.88
  4. Step 4: Simplify right side
    45,423.99x = 1,079,000,836.92
  5. Step 5: Solve for x
    x = 1,079,000,836.92/45,423.99
  6. Step 6: Final answer
    x = 23,753.99

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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.