Home / 76,305.85-114,475.19-25,709.91

Finding the Fourth Proportional to 76,305.85, 114,475.19 and 25,709.91

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Solution

The fourth proportional to 76,305.85, 114,475.19 and 25,709.91 is: 38,570.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,305.85 : 114,475.19 = 25,709.91 : x
  2. Step 2: Convert to fraction form
    76,305.85/114,475.19 = 25,709.91/x
  3. Step 3: Cross multiply
    76,305.85x = 114,475.19 × 25,709.91
  4. Step 4: Simplify right side
    76,305.85x = 2,943,146,310.46
  5. Step 5: Solve for x
    x = 2,943,146,310.46/76,305.85
  6. Step 6: Final answer
    x = 38,570.39

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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.