Home / 64,589.25-89,130.69-35,910.66

Finding the Fourth Proportional to 64,589.25, 89,130.69 and 35,910.66

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Solution

The fourth proportional to 64,589.25, 89,130.69 and 35,910.66 is: 49,555.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,589.25 : 89,130.69 = 35,910.66 : x
  2. Step 2: Convert to fraction form
    64,589.25/89,130.69 = 35,910.66/x
  3. Step 3: Cross multiply
    64,589.25x = 89,130.69 × 35,910.66
  4. Step 4: Simplify right side
    64,589.25x = 3,200,741,904.16
  5. Step 5: Solve for x
    x = 3,200,741,904.16/64,589.25
  6. Step 6: Final answer
    x = 49,555.33

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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.