Home / 49,105.60-73,658.40-28,110.40

Finding the Fourth Proportional to 49,105.60, 73,658.40 and 28,110.40

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Solution

The fourth proportional to 49,105.60, 73,658.40 and 28,110.40 is: 42,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,105.60 : 73,658.40 = 28,110.40 : x
  2. Step 2: Convert to fraction form
    49,105.60/73,658.40 = 28,110.40/x
  3. Step 3: Cross multiply
    49,105.60x = 73,658.40 × 28,110.40
  4. Step 4: Simplify right side
    49,105.60x = 2,070,567,087.36
  5. Step 5: Solve for x
    x = 2,070,567,087.36/49,105.60
  6. Step 6: Final answer
    x = 42,165.60

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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.