Home / 63,620.20-87,803.94-38,483.56

Finding the Fourth Proportional to 63,620.20, 87,803.94 and 38,483.56

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Solution

The fourth proportional to 63,620.20, 87,803.94 and 38,483.56 is: 53,112.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,620.20 : 87,803.94 = 38,483.56 : x
  2. Step 2: Convert to fraction form
    63,620.20/87,803.94 = 38,483.56/x
  3. Step 3: Cross multiply
    63,620.20x = 87,803.94 × 38,483.56
  4. Step 4: Simplify right side
    63,620.20x = 3,379,008,193.23
  5. Step 5: Solve for x
    x = 3,379,008,193.23/63,620.20
  6. Step 6: Final answer
    x = 53,112.19

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1.5x scale

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.