Home / 51,561.75-71,155.22-29,205.75

Finding the Fourth Proportional to 51,561.75, 71,155.22 and 29,205.75

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Solution

The fourth proportional to 51,561.75, 71,155.22 and 29,205.75 is: 40,303.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,561.75 : 71,155.22 = 29,205.75 : x
  2. Step 2: Convert to fraction form
    51,561.75/71,155.22 = 29,205.75/x
  3. Step 3: Cross multiply
    51,561.75x = 71,155.22 × 29,205.75
  4. Step 4: Simplify right side
    51,561.75x = 2,078,141,566.52
  5. Step 5: Solve for x
    x = 2,078,141,566.52/51,561.75
  6. Step 6: Final answer
    x = 40,303.94

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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.