Home / 53,523.45-73,847.28-30,860.66

Finding the Fourth Proportional to 53,523.45, 73,847.28 and 30,860.66

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Solution

The fourth proportional to 53,523.45, 73,847.28 and 30,860.66 is: 42,579.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,523.45 : 73,847.28 = 30,860.66 : x
  2. Step 2: Convert to fraction form
    53,523.45/73,847.28 = 30,860.66/x
  3. Step 3: Cross multiply
    53,523.45x = 73,847.28 × 30,860.66
  4. Step 4: Simplify right side
    53,523.45x = 2,278,975,800.00
  5. Step 5: Solve for x
    x = 2,278,975,800.00/53,523.45
  6. Step 6: Final answer
    x = 42,579.02

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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.