Home / 56,665.20-78,206.04-35,456.88

Finding the Fourth Proportional to 56,665.20, 78,206.04 and 35,456.88

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Solution

The fourth proportional to 56,665.20, 78,206.04 and 35,456.88 is: 48,935.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,665.20 : 78,206.04 = 35,456.88 : x
  2. Step 2: Convert to fraction form
    56,665.20/78,206.04 = 35,456.88/x
  3. Step 3: Cross multiply
    56,665.20x = 78,206.04 × 35,456.88
  4. Step 4: Simplify right side
    56,665.20x = 2,772,942,175.56
  5. Step 5: Solve for x
    x = 2,772,942,175.56/56,665.20
  6. Step 6: Final answer
    x = 48,935.54

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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.