Home / 64,736.40-89,327.97-36,436.62

Finding the Fourth Proportional to 64,736.40, 89,327.97 and 36,436.62

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Solution

The fourth proportional to 64,736.40, 89,327.97 and 36,436.62 is: 50,277.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,736.40 : 89,327.97 = 36,436.62 : x
  2. Step 2: Convert to fraction form
    64,736.40/89,327.97 = 36,436.62/x
  3. Step 3: Cross multiply
    64,736.40x = 89,327.97 × 36,436.62
  4. Step 4: Simplify right side
    64,736.40x = 3,254,809,298.26
  5. Step 5: Solve for x
    x = 3,254,809,298.26/64,736.40
  6. Step 6: Final answer
    x = 50,277.89

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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.