Home / 64,118.36-88,402.38-41,418.92

Finding the Fourth Proportional to 64,118.36, 88,402.38 and 41,418.92

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Solution

The fourth proportional to 64,118.36, 88,402.38 and 41,418.92 is: 57,105.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,118.36 : 88,402.38 = 41,418.92 : x
  2. Step 2: Convert to fraction form
    64,118.36/88,402.38 = 41,418.92/x
  3. Step 3: Cross multiply
    64,118.36x = 88,402.38 × 41,418.92
  4. Step 4: Simplify right side
    64,118.36x = 3,661,531,105.03
  5. Step 5: Solve for x
    x = 3,661,531,105.03/64,118.36
  6. Step 6: Final answer
    x = 57,105.81

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1.5x scale

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.