Home / 76,126.12-114,120.06-43,225

Finding the Fourth Proportional to 76,126.12, 114,120.06 and 43,225

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Solution

The fourth proportional to 76,126.12, 114,120.06 and 43,225 is: 64,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,126.12 : 114,120.06 = 43,225 : x
  2. Step 2: Convert to fraction form
    76,126.12/114,120.06 = 43,225/x
  3. Step 3: Cross multiply
    76,126.12x = 114,120.06 × 43,225
  4. Step 4: Simplify right side
    76,126.12x = 4,932,839,593.50
  5. Step 5: Solve for x
    x = 4,932,839,593.50/76,126.12
  6. Step 6: Final answer
    x = 64,798.25

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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.