Home / 52,454.49-78,750.32-31,146.09

Finding the Fourth Proportional to 52,454.49, 78,750.32 and 31,146.09

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Solution

The fourth proportional to 52,454.49, 78,750.32 and 31,146.09 is: 46,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,454.49 : 78,750.32 = 31,146.09 : x
  2. Step 2: Convert to fraction form
    52,454.49/78,750.32 = 31,146.09/x
  3. Step 3: Cross multiply
    52,454.49x = 78,750.32 × 31,146.09
  4. Step 4: Simplify right side
    52,454.49x = 2,452,764,554.25
  5. Step 5: Solve for x
    x = 2,452,764,554.25/52,454.49
  6. Step 6: Final answer
    x = 46,759.86

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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.