Home / 73,018.62-109,539.18-30,898.92

Finding the Fourth Proportional to 73,018.62, 109,539.18 and 30,898.92

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Solution

The fourth proportional to 73,018.62, 109,539.18 and 30,898.92 is: 46,353.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,018.62 : 109,539.18 = 30,898.92 : x
  2. Step 2: Convert to fraction form
    73,018.62/109,539.18 = 30,898.92/x
  3. Step 3: Cross multiply
    73,018.62x = 109,539.18 × 30,898.92
  4. Step 4: Simplify right side
    73,018.62x = 3,384,642,359.69
  5. Step 5: Solve for x
    x = 3,384,642,359.69/73,018.62
  6. Step 6: Final answer
    x = 46,353.14

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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.