Home / 80,520.41-120,717.09-50,875.76

Finding the Fourth Proportional to 80,520.41, 120,717.09 and 50,875.76

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Solution

The fourth proportional to 80,520.41, 120,717.09 and 50,875.76 is: 76,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,520.41 : 120,717.09 = 50,875.76 : x
  2. Step 2: Convert to fraction form
    80,520.41/120,717.09 = 50,875.76/x
  3. Step 3: Cross multiply
    80,520.41x = 120,717.09 × 50,875.76
  4. Step 4: Simplify right side
    80,520.41x = 6,141,573,698.74
  5. Step 5: Solve for x
    x = 6,141,573,698.74/80,520.41
  6. Step 6: Final answer
    x = 76,273.50

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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.