Home / 54,930.45-82,322.76-28,628.13

Finding the Fourth Proportional to 54,930.45, 82,322.76 and 28,628.13

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Solution

The fourth proportional to 54,930.45, 82,322.76 and 28,628.13 is: 42,904.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,930.45 : 82,322.76 = 28,628.13 : x
  2. Step 2: Convert to fraction form
    54,930.45/82,322.76 = 28,628.13/x
  3. Step 3: Cross multiply
    54,930.45x = 82,322.76 × 28,628.13
  4. Step 4: Simplify right side
    54,930.45x = 2,356,746,675.24
  5. Step 5: Solve for x
    x = 2,356,746,675.24/54,930.45
  6. Step 6: Final answer
    x = 42,904.19

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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.