Home / 49,117.40-73,676.10-12,181.40

Finding the Fourth Proportional to 49,117.40, 73,676.10 and 12,181.40

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Solution

The fourth proportional to 49,117.40, 73,676.10 and 12,181.40 is: 18,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,117.40 : 73,676.10 = 12,181.40 : x
  2. Step 2: Convert to fraction form
    49,117.40/73,676.10 = 12,181.40/x
  3. Step 3: Cross multiply
    49,117.40x = 73,676.10 × 12,181.40
  4. Step 4: Simplify right side
    49,117.40x = 897,478,044.54
  5. Step 5: Solve for x
    x = 897,478,044.54/49,117.40
  6. Step 6: Final answer
    x = 18,272.10

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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.