Home / 63,321.12-87,405.24-36,474.48

Finding the Fourth Proportional to 63,321.12, 87,405.24 and 36,474.48

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Solution

The fourth proportional to 63,321.12, 87,405.24 and 36,474.48 is: 50,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,321.12 : 87,405.24 = 36,474.48 : x
  2. Step 2: Convert to fraction form
    63,321.12/87,405.24 = 36,474.48/x
  3. Step 3: Cross multiply
    63,321.12x = 87,405.24 × 36,474.48
  4. Step 4: Simplify right side
    63,321.12x = 3,188,060,678.28
  5. Step 5: Solve for x
    x = 3,188,060,678.28/63,321.12
  6. Step 6: Final answer
    x = 50,347.51

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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.