Home / 56,078.60-84,136.12-37,434.42

Finding the Fourth Proportional to 56,078.60, 84,136.12 and 37,434.42

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Solution

The fourth proportional to 56,078.60, 84,136.12 and 37,434.42 is: 56,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,078.60 : 84,136.12 = 37,434.42 : x
  2. Step 2: Convert to fraction form
    56,078.60/84,136.12 = 37,434.42/x
  3. Step 3: Cross multiply
    56,078.60x = 84,136.12 × 37,434.42
  4. Step 4: Simplify right side
    56,078.60x = 3,149,586,853.25
  5. Step 5: Solve for x
    x = 3,149,586,853.25/56,078.60
  6. Step 6: Final answer
    x = 56,163.80

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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.