Home / 44,103.88-66,156.90-12,939.04

Finding the Fourth Proportional to 44,103.88, 66,156.90 and 12,939.04

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Solution

The fourth proportional to 44,103.88, 66,156.90 and 12,939.04 is: 19,408.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,103.88 : 66,156.90 = 12,939.04 : x
  2. Step 2: Convert to fraction form
    44,103.88/66,156.90 = 12,939.04/x
  3. Step 3: Cross multiply
    44,103.88x = 66,156.90 × 12,939.04
  4. Step 4: Simplify right side
    44,103.88x = 856,006,775.38
  5. Step 5: Solve for x
    x = 856,006,775.38/44,103.88
  6. Step 6: Final answer
    x = 19,408.88

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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.