Home / 63,421.20-87,521.04-36,563.56

Finding the Fourth Proportional to 63,421.20, 87,521.04 and 36,563.56

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Solution

The fourth proportional to 63,421.20, 87,521.04 and 36,563.56 is: 50,457.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,421.20 : 87,521.04 = 36,563.56 : x
  2. Step 2: Convert to fraction form
    63,421.20/87,521.04 = 36,563.56/x
  3. Step 3: Cross multiply
    63,421.20x = 87,521.04 × 36,563.56
  4. Step 4: Simplify right side
    63,421.20x = 3,200,080,797.30
  5. Step 5: Solve for x
    x = 3,200,080,797.30/63,421.20
  6. Step 6: Final answer
    x = 50,457.59

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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.