Home / 53,789.69-74,227.79-29,917.90

Finding the Fourth Proportional to 53,789.69, 74,227.79 and 29,917.90

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Solution

The fourth proportional to 53,789.69, 74,227.79 and 29,917.90 is: 41,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,789.69 : 74,227.79 = 29,917.90 : x
  2. Step 2: Convert to fraction form
    53,789.69/74,227.79 = 29,917.90/x
  3. Step 3: Cross multiply
    53,789.69x = 74,227.79 × 29,917.90
  4. Step 4: Simplify right side
    53,789.69x = 2,220,739,598.44
  5. Step 5: Solve for x
    x = 2,220,739,598.44/53,789.69
  6. Step 6: Final answer
    x = 41,285.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.