Home / 80,476.20-120,666.30-49,333.80

Finding the Fourth Proportional to 80,476.20, 120,666.30 and 49,333.80

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Solution

The fourth proportional to 80,476.20, 120,666.30 and 49,333.80 is: 73,971.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,476.20 : 120,666.30 = 49,333.80 : x
  2. Step 2: Convert to fraction form
    80,476.20/120,666.30 = 49,333.80/x
  3. Step 3: Cross multiply
    80,476.20x = 120,666.30 × 49,333.80
  4. Step 4: Simplify right side
    80,476.20x = 5,952,927,110.94
  5. Step 5: Solve for x
    x = 5,952,927,110.94/80,476.20
  6. Step 6: Final answer
    x = 73,971.27

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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.