Home / 69,042.98-95,278.40-38,828.29

Finding the Fourth Proportional to 69,042.98, 95,278.40 and 38,828.29

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Solution

The fourth proportional to 69,042.98, 95,278.40 and 38,828.29 is: 53,582.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,042.98 : 95,278.40 = 38,828.29 : x
  2. Step 2: Convert to fraction form
    69,042.98/95,278.40 = 38,828.29/x
  3. Step 3: Cross multiply
    69,042.98x = 95,278.40 × 38,828.29
  4. Step 4: Simplify right side
    69,042.98x = 3,699,497,345.94
  5. Step 5: Solve for x
    x = 3,699,497,345.94/69,042.98
  6. Step 6: Final answer
    x = 53,582.53

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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.