Home / 80,628.22-120,895.60-27,302.40

Finding the Fourth Proportional to 80,628.22, 120,895.60 and 27,302.40

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Solution

The fourth proportional to 80,628.22, 120,895.60 and 27,302.40 is: 40,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,628.22 : 120,895.60 = 27,302.40 : x
  2. Step 2: Convert to fraction form
    80,628.22/120,895.60 = 27,302.40/x
  3. Step 3: Cross multiply
    80,628.22x = 120,895.60 × 27,302.40
  4. Step 4: Simplify right side
    80,628.22x = 3,300,739,961.18
  5. Step 5: Solve for x
    x = 3,300,739,961.18/80,628.22
  6. Step 6: Final answer
    x = 40,937.77

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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.