Home / 92,076.99-127,065.32-51,240.42

Finding the Fourth Proportional to 92,076.99, 127,065.32 and 51,240.42

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Solution

The fourth proportional to 92,076.99, 127,065.32 and 51,240.42 is: 70,711.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,076.99 : 127,065.32 = 51,240.42 : x
  2. Step 2: Convert to fraction form
    92,076.99/127,065.32 = 51,240.42/x
  3. Step 3: Cross multiply
    92,076.99x = 127,065.32 × 51,240.42
  4. Step 4: Simplify right side
    92,076.99x = 6,510,880,945.78
  5. Step 5: Solve for x
    x = 6,510,880,945.78/92,076.99
  6. Step 6: Final answer
    x = 70,711.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.