Home / 80,326.09-120,522.21-35,324.31

Finding the Fourth Proportional to 80,326.09, 120,522.21 and 35,324.31

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Solution

The fourth proportional to 80,326.09, 120,522.21 and 35,324.31 is: 53,001.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,326.09 : 120,522.21 = 35,324.31 : x
  2. Step 2: Convert to fraction form
    80,326.09/120,522.21 = 35,324.31/x
  3. Step 3: Cross multiply
    80,326.09x = 120,522.21 × 35,324.31
  4. Step 4: Simplify right side
    80,326.09x = 4,257,363,748.18
  5. Step 5: Solve for x
    x = 4,257,363,748.18/80,326.09
  6. Step 6: Final answer
    x = 53,001.01

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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.