Home / 69,358.21-95,662.82-42,134.18

Finding the Fourth Proportional to 69,358.21, 95,662.82 and 42,134.18

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Solution

The fourth proportional to 69,358.21, 95,662.82 and 42,134.18 is: 58,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,358.21 : 95,662.82 = 42,134.18 : x
  2. Step 2: Convert to fraction form
    69,358.21/95,662.82 = 42,134.18/x
  3. Step 3: Cross multiply
    69,358.21x = 95,662.82 × 42,134.18
  4. Step 4: Simplify right side
    69,358.21x = 4,030,674,104.21
  5. Step 5: Solve for x
    x = 4,030,674,104.21/69,358.21
  6. Step 6: Final answer
    x = 58,113.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.