Home / 54,910.76-82,334.93-21,612.77

Finding the Fourth Proportional to 54,910.76, 82,334.93 and 21,612.77

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Solution

The fourth proportional to 54,910.76, 82,334.93 and 21,612.77 is: 32,406.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,910.76 : 82,334.93 = 21,612.77 : x
  2. Step 2: Convert to fraction form
    54,910.76/82,334.93 = 21,612.77/x
  3. Step 3: Cross multiply
    54,910.76x = 82,334.93 × 21,612.77
  4. Step 4: Simplify right side
    54,910.76x = 1,779,486,002.83
  5. Step 5: Solve for x
    x = 1,779,486,002.83/54,910.76
  6. Step 6: Final answer
    x = 32,406.88

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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.