Home / 55,042.86-75,956.69-31,169.03

Finding the Fourth Proportional to 55,042.86, 75,956.69 and 31,169.03

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Solution

The fourth proportional to 55,042.86, 75,956.69 and 31,169.03 is: 43,011.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,042.86 : 75,956.69 = 31,169.03 : x
  2. Step 2: Convert to fraction form
    55,042.86/75,956.69 = 31,169.03/x
  3. Step 3: Cross multiply
    55,042.86x = 75,956.69 × 31,169.03
  4. Step 4: Simplify right side
    55,042.86x = 2,367,495,813.68
  5. Step 5: Solve for x
    x = 2,367,495,813.68/55,042.86
  6. Step 6: Final answer
    x = 43,011.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.