Home / 55,190.28-76,169.07-30,995.22

Finding the Fourth Proportional to 55,190.28, 76,169.07 and 30,995.22

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Solution

The fourth proportional to 55,190.28, 76,169.07 and 30,995.22 is: 42,777.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,190.28 : 76,169.07 = 30,995.22 : x
  2. Step 2: Convert to fraction form
    55,190.28/76,169.07 = 30,995.22/x
  3. Step 3: Cross multiply
    55,190.28x = 76,169.07 × 30,995.22
  4. Step 4: Simplify right side
    55,190.28x = 2,360,877,081.85
  5. Step 5: Solve for x
    x = 2,360,877,081.85/55,190.28
  6. Step 6: Final answer
    x = 42,777.04

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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.