Home / 56,631.44-78,161.04-32,772.72

Finding the Fourth Proportional to 56,631.44, 78,161.04 and 32,772.72

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Solution

The fourth proportional to 56,631.44, 78,161.04 and 32,772.72 is: 45,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,631.44 : 78,161.04 = 32,772.72 : x
  2. Step 2: Convert to fraction form
    56,631.44/78,161.04 = 32,772.72/x
  3. Step 3: Cross multiply
    56,631.44x = 78,161.04 × 32,772.72
  4. Step 4: Simplify right side
    56,631.44x = 2,561,549,878.83
  5. Step 5: Solve for x
    x = 2,561,549,878.83/56,631.44
  6. Step 6: Final answer
    x = 45,231.94

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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.