Home / 75,501.92-113,266.55-31,104

Finding the Fourth Proportional to 75,501.92, 113,266.55 and 31,104

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Solution

The fourth proportional to 75,501.92, 113,266.55 and 31,104 is: 46,661.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,501.92 : 113,266.55 = 31,104 : x
  2. Step 2: Convert to fraction form
    75,501.92/113,266.55 = 31,104/x
  3. Step 3: Cross multiply
    75,501.92x = 113,266.55 × 31,104
  4. Step 4: Simplify right side
    75,501.92x = 3,523,042,771.20
  5. Step 5: Solve for x
    x = 3,523,042,771.20/75,501.92
  6. Step 6: Final answer
    x = 46,661.63

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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.