Home / 54,485.76-81,733.32-15,042.86

Finding the Fourth Proportional to 54,485.76, 81,733.32 and 15,042.86

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Solution

The fourth proportional to 54,485.76, 81,733.32 and 15,042.86 is: 22,565.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,485.76 : 81,733.32 = 15,042.86 : x
  2. Step 2: Convert to fraction form
    54,485.76/81,733.32 = 15,042.86/x
  3. Step 3: Cross multiply
    54,485.76x = 81,733.32 × 15,042.86
  4. Step 4: Simplify right side
    54,485.76x = 1,229,502,890.10
  5. Step 5: Solve for x
    x = 1,229,502,890.10/54,485.76
  6. Step 6: Final answer
    x = 22,565.58

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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.