Home / 54,844.90-82,250.33-19,780.00

Finding the Fourth Proportional to 54,844.90, 82,250.33 and 19,780.00

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Solution

The fourth proportional to 54,844.90, 82,250.33 and 19,780.00 is: 29,663.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,844.90 : 82,250.33 = 19,780.00 : x
  2. Step 2: Convert to fraction form
    54,844.90/82,250.33 = 19,780.00/x
  3. Step 3: Cross multiply
    54,844.90x = 82,250.33 × 19,780.00
  4. Step 4: Simplify right side
    54,844.90x = 1,626,911,116.15
  5. Step 5: Solve for x
    x = 1,626,911,116.15/54,844.90
  6. Step 6: Final answer
    x = 29,663.86

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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.