Home / 54,371.72-81,547.86-14,923.64

Finding the Fourth Proportional to 54,371.72, 81,547.86 and 14,923.64

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Solution

The fourth proportional to 54,371.72, 81,547.86 and 14,923.64 is: 22,382.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,371.72 : 81,547.86 = 14,923.64 : x
  2. Step 2: Convert to fraction form
    54,371.72/81,547.86 = 14,923.64/x
  3. Step 3: Cross multiply
    54,371.72x = 81,547.86 × 14,923.64
  4. Step 4: Simplify right side
    54,371.72x = 1,216,990,905.41
  5. Step 5: Solve for x
    x = 1,216,990,905.41/54,371.72
  6. Step 6: Final answer
    x = 22,382.79

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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.