Home / 64,944.09-89,646.66-38,109.09

Finding the Fourth Proportional to 64,944.09, 89,646.66 and 38,109.09

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Solution

The fourth proportional to 64,944.09, 89,646.66 and 38,109.09 is: 52,604.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,944.09 : 89,646.66 = 38,109.09 : x
  2. Step 2: Convert to fraction form
    64,944.09/89,646.66 = 38,109.09/x
  3. Step 3: Cross multiply
    64,944.09x = 89,646.66 × 38,109.09
  4. Step 4: Simplify right side
    64,944.09x = 3,416,352,634.14
  5. Step 5: Solve for x
    x = 3,416,352,634.14/64,944.09
  6. Step 6: Final answer
    x = 52,604.52

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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.