Home / 76,944.20-115,416.30-63,822.20

Finding the Fourth Proportional to 76,944.20, 115,416.30 and 63,822.20

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Solution

The fourth proportional to 76,944.20, 115,416.30 and 63,822.20 is: 95,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,944.20 : 115,416.30 = 63,822.20 : x
  2. Step 2: Convert to fraction form
    76,944.20/115,416.30 = 63,822.20/x
  3. Step 3: Cross multiply
    76,944.20x = 115,416.30 × 63,822.20
  4. Step 4: Simplify right side
    76,944.20x = 7,366,122,181.86
  5. Step 5: Solve for x
    x = 7,366,122,181.86/76,944.20
  6. Step 6: Final answer
    x = 95,733.30

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1.5x scale

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.