Home / 54,771.84-82,108.53-19,686.96

Finding the Fourth Proportional to 54,771.84, 82,108.53 and 19,686.96

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Solution

The fourth proportional to 54,771.84, 82,108.53 and 19,686.96 is: 29,512.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,771.84 : 82,108.53 = 19,686.96 : x
  2. Step 2: Convert to fraction form
    54,771.84/82,108.53 = 19,686.96/x
  3. Step 3: Cross multiply
    54,771.84x = 82,108.53 × 19,686.96
  4. Step 4: Simplify right side
    54,771.84x = 1,616,467,345.77
  5. Step 5: Solve for x
    x = 1,616,467,345.77/54,771.84
  6. Step 6: Final answer
    x = 29,512.74

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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.