Home / 64,898.97-89,561.61-36,605.22

Finding the Fourth Proportional to 64,898.97, 89,561.61 and 36,605.22

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Solution

The fourth proportional to 64,898.97, 89,561.61 and 36,605.22 is: 50,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,898.97 : 89,561.61 = 36,605.22 : x
  2. Step 2: Convert to fraction form
    64,898.97/89,561.61 = 36,605.22/x
  3. Step 3: Cross multiply
    64,898.97x = 89,561.61 × 36,605.22
  4. Step 4: Simplify right side
    64,898.97x = 3,278,422,437.60
  5. Step 5: Solve for x
    x = 3,278,422,437.60/64,898.97
  6. Step 6: Final answer
    x = 50,515.79

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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.