Home / 109,313.26-150,852.61-63,381.80

Finding the Fourth Proportional to 109,313.26, 150,852.61 and 63,381.80

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Solution

The fourth proportional to 109,313.26, 150,852.61 and 63,381.80 is: 87,467.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,313.26 : 150,852.61 = 63,381.80 : x
  2. Step 2: Convert to fraction form
    109,313.26/150,852.61 = 63,381.80/x
  3. Step 3: Cross multiply
    109,313.26x = 150,852.61 × 63,381.80
  4. Step 4: Simplify right side
    109,313.26x = 9,561,310,412.86
  5. Step 5: Solve for x
    x = 9,561,310,412.86/109,313.26
  6. Step 6: Final answer
    x = 87,467.07

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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.