Home / 56,790.65-78,371.40-32,589.68

Finding the Fourth Proportional to 56,790.65, 78,371.40 and 32,589.68

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Solution

The fourth proportional to 56,790.65, 78,371.40 and 32,589.68 is: 44,973.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,790.65 : 78,371.40 = 32,589.68 : x
  2. Step 2: Convert to fraction form
    56,790.65/78,371.40 = 32,589.68/x
  3. Step 3: Cross multiply
    56,790.65x = 78,371.40 × 32,589.68
  4. Step 4: Simplify right side
    56,790.65x = 2,554,099,112.43
  5. Step 5: Solve for x
    x = 2,554,099,112.43/56,790.65
  6. Step 6: Final answer
    x = 44,973.94

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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.