Home / 77,431.10-116,135.69-24,833.75

Finding the Fourth Proportional to 77,431.10, 116,135.69 and 24,833.75

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Solution

The fourth proportional to 77,431.10, 116,135.69 and 24,833.75 is: 37,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,431.10 : 116,135.69 = 24,833.75 : x
  2. Step 2: Convert to fraction form
    77,431.10/116,135.69 = 24,833.75/x
  3. Step 3: Cross multiply
    77,431.10x = 116,135.69 × 24,833.75
  4. Step 4: Simplify right side
    77,431.10x = 2,884,083,986.69
  5. Step 5: Solve for x
    x = 2,884,083,986.69/77,431.10
  6. Step 6: Final answer
    x = 37,247.10

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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.