Home / 76,420.37-114,653.34-36,469.35

Finding the Fourth Proportional to 76,420.37, 114,653.34 and 36,469.35

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Solution

The fourth proportional to 76,420.37, 114,653.34 and 36,469.35 is: 54,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,420.37 : 114,653.34 = 36,469.35 : x
  2. Step 2: Convert to fraction form
    76,420.37/114,653.34 = 36,469.35/x
  3. Step 3: Cross multiply
    76,420.37x = 114,653.34 × 36,469.35
  4. Step 4: Simplify right side
    76,420.37x = 4,181,332,785.13
  5. Step 5: Solve for x
    x = 4,181,332,785.13/76,420.37
  6. Step 6: Final answer
    x = 54,714.90

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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.