Home / 76,049.36-114,076.70-26,129.10

Finding the Fourth Proportional to 76,049.36, 114,076.70 and 26,129.10

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Solution

The fourth proportional to 76,049.36, 114,076.70 and 26,129.10 is: 39,194.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,049.36 : 114,076.70 = 26,129.10 : x
  2. Step 2: Convert to fraction form
    76,049.36/114,076.70 = 26,129.10/x
  3. Step 3: Cross multiply
    76,049.36x = 114,076.70 × 26,129.10
  4. Step 4: Simplify right side
    76,049.36x = 2,980,721,181.93
  5. Step 5: Solve for x
    x = 2,980,721,181.93/76,049.36
  6. Step 6: Final answer
    x = 39,194.56

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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.