Home / 64,939.07-89,636.33-38,092.43

Finding the Fourth Proportional to 64,939.07, 89,636.33 and 38,092.43

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Solution

The fourth proportional to 64,939.07, 89,636.33 and 38,092.43 is: 52,579.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,939.07 : 89,636.33 = 38,092.43 : x
  2. Step 2: Convert to fraction form
    64,939.07/89,636.33 = 38,092.43/x
  3. Step 3: Cross multiply
    64,939.07x = 89,636.33 × 38,092.43
  4. Step 4: Simplify right side
    64,939.07x = 3,414,464,987.34
  5. Step 5: Solve for x
    x = 3,414,464,987.34/64,939.07
  6. Step 6: Final answer
    x = 52,579.52

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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.