Home / 80,518.41-120,714.09-50,873.76

Finding the Fourth Proportional to 80,518.41, 120,714.09 and 50,873.76

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Solution

The fourth proportional to 80,518.41, 120,714.09 and 50,873.76 is: 76,270.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,518.41 : 120,714.09 = 50,873.76 : x
  2. Step 2: Convert to fraction form
    80,518.41/120,714.09 = 50,873.76/x
  3. Step 3: Cross multiply
    80,518.41x = 120,714.09 × 50,873.76
  4. Step 4: Simplify right side
    80,518.41x = 6,141,179,643.28
  5. Step 5: Solve for x
    x = 6,141,179,643.28/80,518.41
  6. Step 6: Final answer
    x = 76,270.50

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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.