Home / 55,732.65-76,911.05-31,859.86

Finding the Fourth Proportional to 55,732.65, 76,911.05 and 31,859.86

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Solution

The fourth proportional to 55,732.65, 76,911.05 and 31,859.86 is: 43,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,732.65 : 76,911.05 = 31,859.86 : x
  2. Step 2: Convert to fraction form
    55,732.65/76,911.05 = 31,859.86/x
  3. Step 3: Cross multiply
    55,732.65x = 76,911.05 × 31,859.86
  4. Step 4: Simplify right side
    55,732.65x = 2,450,375,285.45
  5. Step 5: Solve for x
    x = 2,450,375,285.45/55,732.65
  6. Step 6: Final answer
    x = 43,966.60

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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.