Home / 75,986.43-113,917.05-57,230.46

Finding the Fourth Proportional to 75,986.43, 113,917.05 and 57,230.46

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Solution

The fourth proportional to 75,986.43, 113,917.05 and 57,230.46 is: 85,798.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,986.43 : 113,917.05 = 57,230.46 : x
  2. Step 2: Convert to fraction form
    75,986.43/113,917.05 = 57,230.46/x
  3. Step 3: Cross multiply
    75,986.43x = 113,917.05 × 57,230.46
  4. Step 4: Simplify right side
    75,986.43x = 6,519,525,173.34
  5. Step 5: Solve for x
    x = 6,519,525,173.34/75,986.43
  6. Step 6: Final answer
    x = 85,798.55

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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.