Home / 80,572.08-120,827.04-30,625.92

Finding the Fourth Proportional to 80,572.08, 120,827.04 and 30,625.92

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Solution

The fourth proportional to 80,572.08, 120,827.04 and 30,625.92 is: 45,927.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,572.08 : 120,827.04 = 30,625.92 : x
  2. Step 2: Convert to fraction form
    80,572.08/120,827.04 = 30,625.92/x
  3. Step 3: Cross multiply
    80,572.08x = 120,827.04 × 30,625.92
  4. Step 4: Simplify right side
    80,572.08x = 3,700,439,260.88
  5. Step 5: Solve for x
    x = 3,700,439,260.88/80,572.08
  6. Step 6: Final answer
    x = 45,927.07

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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.