Home / 49,543.43-74,316.30-12,103.82

Finding the Fourth Proportional to 49,543.43, 74,316.30 and 12,103.82

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Solution

The fourth proportional to 49,543.43, 74,316.30 and 12,103.82 is: 18,156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,543.43 : 74,316.30 = 12,103.82 : x
  2. Step 2: Convert to fraction form
    49,543.43/74,316.30 = 12,103.82/x
  3. Step 3: Cross multiply
    49,543.43x = 74,316.30 × 12,103.82
  4. Step 4: Simplify right side
    49,543.43x = 899,511,118.27
  5. Step 5: Solve for x
    x = 899,511,118.27/49,543.43
  6. Step 6: Final answer
    x = 18,156.01

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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.