Home / 52,698.20-72,723.22-30,040.88

Finding the Fourth Proportional to 52,698.20, 72,723.22 and 30,040.88

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Solution

The fourth proportional to 52,698.20, 72,723.22 and 30,040.88 is: 41,456.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,698.20 : 72,723.22 = 30,040.88 : x
  2. Step 2: Convert to fraction form
    52,698.20/72,723.22 = 30,040.88/x
  3. Step 3: Cross multiply
    52,698.20x = 72,723.22 × 30,040.88
  4. Step 4: Simplify right side
    52,698.20x = 2,184,669,086.52
  5. Step 5: Solve for x
    x = 2,184,669,086.52/52,698.20
  6. Step 6: Final answer
    x = 41,456.24

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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.