Home / 80,056.24-120,104.06-56,409.97

Finding the Fourth Proportional to 80,056.24, 120,104.06 and 56,409.97

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Solution

The fourth proportional to 80,056.24, 120,104.06 and 56,409.97 is: 84,628.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,056.24 : 120,104.06 = 56,409.97 : x
  2. Step 2: Convert to fraction form
    80,056.24/120,104.06 = 56,409.97/x
  3. Step 3: Cross multiply
    80,056.24x = 120,104.06 × 56,409.97
  4. Step 4: Simplify right side
    80,056.24x = 6,775,066,421.48
  5. Step 5: Solve for x
    x = 6,775,066,421.48/80,056.24
  6. Step 6: Final answer
    x = 84,628.84

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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.