Home / 57,063.04-78,747.54-31,912.60

Finding the Fourth Proportional to 57,063.04, 78,747.54 and 31,912.60

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Solution

The fourth proportional to 57,063.04, 78,747.54 and 31,912.60 is: 44,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,063.04 : 78,747.54 = 31,912.60 : x
  2. Step 2: Convert to fraction form
    57,063.04/78,747.54 = 31,912.60/x
  3. Step 3: Cross multiply
    57,063.04x = 78,747.54 × 31,912.60
  4. Step 4: Simplify right side
    57,063.04x = 2,513,038,745.00
  5. Step 5: Solve for x
    x = 2,513,038,745.00/57,063.04
  6. Step 6: Final answer
    x = 44,039.69

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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.