Home / 80,033.34-120,068.24-27,439.63

Finding the Fourth Proportional to 80,033.34, 120,068.24 and 27,439.63

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Solution

The fourth proportional to 80,033.34, 120,068.24 and 27,439.63 is: 41,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,033.34 : 120,068.24 = 27,439.63 : x
  2. Step 2: Convert to fraction form
    80,033.34/120,068.24 = 27,439.63/x
  3. Step 3: Cross multiply
    80,033.34x = 120,068.24 × 27,439.63
  4. Step 4: Simplify right side
    80,033.34x = 3,294,627,943.15
  5. Step 5: Solve for x
    x = 3,294,627,943.15/80,033.34
  6. Step 6: Final answer
    x = 41,165.70

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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.