Home / 48,432.21-72,757.68-28,723.69

Finding the Fourth Proportional to 48,432.21, 72,757.68 and 28,723.69

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Solution

The fourth proportional to 48,432.21, 72,757.68 and 28,723.69 is: 43,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,432.21 : 72,757.68 = 28,723.69 : x
  2. Step 2: Convert to fraction form
    48,432.21/72,757.68 = 28,723.69/x
  3. Step 3: Cross multiply
    48,432.21x = 72,757.68 × 28,723.69
  4. Step 4: Simplify right side
    48,432.21x = 2,089,869,028.67
  5. Step 5: Solve for x
    x = 2,089,869,028.67/48,432.21
  6. Step 6: Final answer
    x = 43,150.40

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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.