Home / 76,665.12-114,997.44-24,078.72

Finding the Fourth Proportional to 76,665.12, 114,997.44 and 24,078.72

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Solution

The fourth proportional to 76,665.12, 114,997.44 and 24,078.72 is: 36,118.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,665.12 : 114,997.44 = 24,078.72 : x
  2. Step 2: Convert to fraction form
    76,665.12/114,997.44 = 24,078.72/x
  3. Step 3: Cross multiply
    76,665.12x = 114,997.44 × 24,078.72
  4. Step 4: Simplify right side
    76,665.12x = 2,768,991,158.48
  5. Step 5: Solve for x
    x = 2,768,991,158.48/76,665.12
  6. Step 6: Final answer
    x = 36,118.00

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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.