Home / 52,759.44-72,815.08-31,247.50

Finding the Fourth Proportional to 52,759.44, 72,815.08 and 31,247.50

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Solution

The fourth proportional to 52,759.44, 72,815.08 and 31,247.50 is: 43,125.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,759.44 : 72,815.08 = 31,247.50 : x
  2. Step 2: Convert to fraction form
    52,759.44/72,815.08 = 31,247.50/x
  3. Step 3: Cross multiply
    52,759.44x = 72,815.08 × 31,247.50
  4. Step 4: Simplify right side
    52,759.44x = 2,275,289,513.11
  5. Step 5: Solve for x
    x = 2,275,289,513.11/52,759.44
  6. Step 6: Final answer
    x = 43,125.73

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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.