Home / 64,948.73-89,649.66-38,102.09

Finding the Fourth Proportional to 64,948.73, 89,649.66 and 38,102.09

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Solution

The fourth proportional to 64,948.73, 89,649.66 and 38,102.09 is: 52,592.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,948.73 : 89,649.66 = 38,102.09 : x
  2. Step 2: Convert to fraction form
    64,948.73/89,649.66 = 38,102.09/x
  3. Step 3: Cross multiply
    64,948.73x = 89,649.66 × 38,102.09
  4. Step 4: Simplify right side
    64,948.73x = 3,415,838,965.54
  5. Step 5: Solve for x
    x = 3,415,838,965.54/64,948.73
  6. Step 6: Final answer
    x = 52,592.86

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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.