Home / 54,217.17-81,296.12-30,208.77

Finding the Fourth Proportional to 54,217.17, 81,296.12 and 30,208.77

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Solution

The fourth proportional to 54,217.17, 81,296.12 and 30,208.77 is: 45,296.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,217.17 : 81,296.12 = 30,208.77 : x
  2. Step 2: Convert to fraction form
    54,217.17/81,296.12 = 30,208.77/x
  3. Step 3: Cross multiply
    54,217.17x = 81,296.12 × 30,208.77
  4. Step 4: Simplify right side
    54,217.17x = 2,455,855,639.93
  5. Step 5: Solve for x
    x = 2,455,855,639.93/54,217.17
  6. Step 6: Final answer
    x = 45,296.64

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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.