Home / 54,264.27-81,305.64-35,520.87

Finding the Fourth Proportional to 54,264.27, 81,305.64 and 35,520.87

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Solution

The fourth proportional to 54,264.27, 81,305.64 and 35,520.87 is: 53,221.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,264.27 : 81,305.64 = 35,520.87 : x
  2. Step 2: Convert to fraction form
    54,264.27/81,305.64 = 35,520.87/x
  3. Step 3: Cross multiply
    54,264.27x = 81,305.64 × 35,520.87
  4. Step 4: Simplify right side
    54,264.27x = 2,888,047,068.71
  5. Step 5: Solve for x
    x = 2,888,047,068.71/54,264.27
  6. Step 6: Final answer
    x = 53,221.89

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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.