Home / 73,004.53-109,507.70-28,652.17

Finding the Fourth Proportional to 73,004.53, 109,507.70 and 28,652.17

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Solution

The fourth proportional to 73,004.53, 109,507.70 and 28,652.17 is: 42,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,004.53 : 109,507.70 = 28,652.17 : x
  2. Step 2: Convert to fraction form
    73,004.53/109,507.70 = 28,652.17/x
  3. Step 3: Cross multiply
    73,004.53x = 109,507.70 × 28,652.17
  4. Step 4: Simplify right side
    73,004.53x = 3,137,633,236.71
  5. Step 5: Solve for x
    x = 3,137,633,236.71/73,004.53
  6. Step 6: Final answer
    x = 42,978.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.