Home / 55,704.91-76,871.73-31,505.46

Finding the Fourth Proportional to 55,704.91, 76,871.73 and 31,505.46

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Solution

The fourth proportional to 55,704.91, 76,871.73 and 31,505.46 is: 43,476.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,704.91 : 76,871.73 = 31,505.46 : x
  2. Step 2: Convert to fraction form
    55,704.91/76,871.73 = 31,505.46/x
  3. Step 3: Cross multiply
    55,704.91x = 76,871.73 × 31,505.46
  4. Step 4: Simplify right side
    55,704.91x = 2,421,879,214.65
  5. Step 5: Solve for x
    x = 2,421,879,214.65/55,704.91
  6. Step 6: Final answer
    x = 43,476.94

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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.