Home / 80,814.41-120,884-56,797.03

Finding the Fourth Proportional to 80,814.41, 120,884 and 56,797.03

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Solution

The fourth proportional to 80,814.41, 120,884 and 56,797.03 is: 84,958.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,814.41 : 120,884 = 56,797.03 : x
  2. Step 2: Convert to fraction form
    80,814.41/120,884 = 56,797.03/x
  3. Step 3: Cross multiply
    80,814.41x = 120,884 × 56,797.03
  4. Step 4: Simplify right side
    80,814.41x = 6,865,851,570.10
  5. Step 5: Solve for x
    x = 6,865,851,570.10/80,814.41
  6. Step 6: Final answer
    x = 84,958.26

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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.