Home / 55,342.44-76,373.78-30,191.92

Finding the Fourth Proportional to 55,342.44, 76,373.78 and 30,191.92

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Solution

The fourth proportional to 55,342.44, 76,373.78 and 30,191.92 is: 41,665.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,342.44 : 76,373.78 = 30,191.92 : x
  2. Step 2: Convert to fraction form
    55,342.44/76,373.78 = 30,191.92/x
  3. Step 3: Cross multiply
    55,342.44x = 76,373.78 × 30,191.92
  4. Step 4: Simplify right side
    55,342.44x = 2,305,871,055.86
  5. Step 5: Solve for x
    x = 2,305,871,055.86/55,342.44
  6. Step 6: Final answer
    x = 41,665.51

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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.