Home / 54,541.92-81,705.96-28,263.90

Finding the Fourth Proportional to 54,541.92, 81,705.96 and 28,263.90

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Solution

The fourth proportional to 54,541.92, 81,705.96 and 28,263.90 is: 42,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,541.92 : 81,705.96 = 28,263.90 : x
  2. Step 2: Convert to fraction form
    54,541.92/81,705.96 = 28,263.90/x
  3. Step 3: Cross multiply
    54,541.92x = 81,705.96 × 28,263.90
  4. Step 4: Simplify right side
    54,541.92x = 2,309,329,082.84
  5. Step 5: Solve for x
    x = 2,309,329,082.84/54,541.92
  6. Step 6: Final answer
    x = 42,340.44

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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.