Home / 54,141.44-81,212.32-14,702.72

Finding the Fourth Proportional to 54,141.44, 81,212.32 and 14,702.72

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Solution

The fourth proportional to 54,141.44, 81,212.32 and 14,702.72 is: 22,054.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,141.44 : 81,212.32 = 14,702.72 : x
  2. Step 2: Convert to fraction form
    54,141.44/81,212.32 = 14,702.72/x
  3. Step 3: Cross multiply
    54,141.44x = 81,212.32 × 14,702.72
  4. Step 4: Simplify right side
    54,141.44x = 1,194,042,001.51
  5. Step 5: Solve for x
    x = 1,194,042,001.51/54,141.44
  6. Step 6: Final answer
    x = 22,054.12

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1.5x scale

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.