Home / 110,786.16-152,895.96-66,074.16

Finding the Fourth Proportional to 110,786.16, 152,895.96 and 66,074.16

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Solution

The fourth proportional to 110,786.16, 152,895.96 and 66,074.16 is: 91,188.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,786.16 : 152,895.96 = 66,074.16 : x
  2. Step 2: Convert to fraction form
    110,786.16/152,895.96 = 66,074.16/x
  3. Step 3: Cross multiply
    110,786.16x = 152,895.96 × 66,074.16
  4. Step 4: Simplify right side
    110,786.16x = 10,102,472,124.39
  5. Step 5: Solve for x
    x = 10,102,472,124.39/110,786.16
  6. Step 6: Final answer
    x = 91,188.94

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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.