Home / 73,118.16-109,677.78-23,198.40

Finding the Fourth Proportional to 73,118.16, 109,677.78 and 23,198.40

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Solution

The fourth proportional to 73,118.16, 109,677.78 and 23,198.40 is: 34,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,118.16 : 109,677.78 = 23,198.40 : x
  2. Step 2: Convert to fraction form
    73,118.16/109,677.78 = 23,198.40/x
  3. Step 3: Cross multiply
    73,118.16x = 109,677.78 × 23,198.40
  4. Step 4: Simplify right side
    73,118.16x = 2,544,349,011.55
  5. Step 5: Solve for x
    x = 2,544,349,011.55/73,118.16
  6. Step 6: Final answer
    x = 34,797.77

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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.