Home / 56,860.26-85,221.21-40,225.09

Finding the Fourth Proportional to 56,860.26, 85,221.21 and 40,225.09

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Solution

The fourth proportional to 56,860.26, 85,221.21 and 40,225.09 is: 60,288.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,860.26 : 85,221.21 = 40,225.09 : x
  2. Step 2: Convert to fraction form
    56,860.26/85,221.21 = 40,225.09/x
  3. Step 3: Cross multiply
    56,860.26x = 85,221.21 × 40,225.09
  4. Step 4: Simplify right side
    56,860.26x = 3,428,030,842.16
  5. Step 5: Solve for x
    x = 3,428,030,842.16/56,860.26
  6. Step 6: Final answer
    x = 60,288.69

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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.