Home / 75,960.64-113,942.76-26,040.36

Finding the Fourth Proportional to 75,960.64, 113,942.76 and 26,040.36

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Solution

The fourth proportional to 75,960.64, 113,942.76 and 26,040.36 is: 39,061.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,960.64 : 113,942.76 = 26,040.36 : x
  2. Step 2: Convert to fraction form
    75,960.64/113,942.76 = 26,040.36/x
  3. Step 3: Cross multiply
    75,960.64x = 113,942.76 × 26,040.36
  4. Step 4: Simplify right side
    75,960.64x = 2,967,110,489.79
  5. Step 5: Solve for x
    x = 2,967,110,489.79/75,960.64
  6. Step 6: Final answer
    x = 39,061.16

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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.