Home / 67,977.10-93,782.22-50,114.57

Finding the Fourth Proportional to 67,977.10, 93,782.22 and 50,114.57

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Solution

The fourth proportional to 67,977.10, 93,782.22 and 50,114.57 is: 69,138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,977.10 : 93,782.22 = 50,114.57 : x
  2. Step 2: Convert to fraction form
    67,977.10/93,782.22 = 50,114.57/x
  3. Step 3: Cross multiply
    67,977.10x = 93,782.22 × 50,114.57
  4. Step 4: Simplify right side
    67,977.10x = 4,699,855,628.95
  5. Step 5: Solve for x
    x = 4,699,855,628.95/67,977.10
  6. Step 6: Final answer
    x = 69,138.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.