Home / 55,415.81-76,470.66-32,756.90

Finding the Fourth Proportional to 55,415.81, 76,470.66 and 32,756.90

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Solution

The fourth proportional to 55,415.81, 76,470.66 and 32,756.90 is: 45,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,415.81 : 76,470.66 = 32,756.90 : x
  2. Step 2: Convert to fraction form
    55,415.81/76,470.66 = 32,756.90/x
  3. Step 3: Cross multiply
    55,415.81x = 76,470.66 × 32,756.90
  4. Step 4: Simplify right side
    55,415.81x = 2,504,941,380.20
  5. Step 5: Solve for x
    x = 2,504,941,380.20/55,415.81
  6. Step 6: Final answer
    x = 45,202.65

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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.