Home / 62,747.20-94,120.80-53,999.20

Finding the Fourth Proportional to 62,747.20, 94,120.80 and 53,999.20

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Solution

The fourth proportional to 62,747.20, 94,120.80 and 53,999.20 is: 80,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,747.20 : 94,120.80 = 53,999.20 : x
  2. Step 2: Convert to fraction form
    62,747.20/94,120.80 = 53,999.20/x
  3. Step 3: Cross multiply
    62,747.20x = 94,120.80 × 53,999.20
  4. Step 4: Simplify right side
    62,747.20x = 5,082,447,903.36
  5. Step 5: Solve for x
    x = 5,082,447,903.36/62,747.20
  6. Step 6: Final answer
    x = 80,998.80

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1.5x scale

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.