Home / 80,637.21-120,955.68-33,278.94

Finding the Fourth Proportional to 80,637.21, 120,955.68 and 33,278.94

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Solution

The fourth proportional to 80,637.21, 120,955.68 and 33,278.94 is: 49,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,637.21 : 120,955.68 = 33,278.94 : x
  2. Step 2: Convert to fraction form
    80,637.21/120,955.68 = 33,278.94/x
  3. Step 3: Cross multiply
    80,637.21x = 120,955.68 × 33,278.94
  4. Step 4: Simplify right side
    80,637.21x = 4,025,276,817.38
  5. Step 5: Solve for x
    x = 4,025,276,817.38/80,637.21
  6. Step 6: Final answer
    x = 49,918.35

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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.