Home / 75,719.37-113,433.48-42,338.19

Finding the Fourth Proportional to 75,719.37, 113,433.48 and 42,338.19

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Solution

The fourth proportional to 75,719.37, 113,433.48 and 42,338.19 is: 63,425.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,719.37 : 113,433.48 = 42,338.19 : x
  2. Step 2: Convert to fraction form
    75,719.37/113,433.48 = 42,338.19/x
  3. Step 3: Cross multiply
    75,719.37x = 113,433.48 × 42,338.19
  4. Step 4: Simplify right side
    75,719.37x = 4,802,568,228.60
  5. Step 5: Solve for x
    x = 4,802,568,228.60/75,719.37
  6. Step 6: Final answer
    x = 63,425.89

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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.