Home / 80,215.47-120,333.51-37,491.06

Finding the Fourth Proportional to 80,215.47, 120,333.51 and 37,491.06

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Solution

The fourth proportional to 80,215.47, 120,333.51 and 37,491.06 is: 56,241.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,215.47 : 120,333.51 = 37,491.06 : x
  2. Step 2: Convert to fraction form
    80,215.47/120,333.51 = 37,491.06/x
  3. Step 3: Cross multiply
    80,215.47x = 120,333.51 × 37,491.06
  4. Step 4: Simplify right side
    80,215.47x = 4,511,430,843.42
  5. Step 5: Solve for x
    x = 4,511,430,843.42/80,215.47
  6. Step 6: Final answer
    x = 56,241.41

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1.5x scale

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.