Home / 56,711.04-85,163.76-54,844.80

Finding the Fourth Proportional to 56,711.04, 85,163.76 and 54,844.80

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Solution

The fourth proportional to 56,711.04, 85,163.76 and 54,844.80 is: 82,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,711.04 : 85,163.76 = 54,844.80 : x
  2. Step 2: Convert to fraction form
    56,711.04/85,163.76 = 54,844.80/x
  3. Step 3: Cross multiply
    56,711.04x = 85,163.76 × 54,844.80
  4. Step 4: Simplify right side
    56,711.04x = 4,670,789,384.45
  5. Step 5: Solve for x
    x = 4,670,789,384.45/56,711.04
  6. Step 6: Final answer
    x = 82,361.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.