Home / 96,320.28-132,936.09-55,476.56

Finding the Fourth Proportional to 96,320.28, 132,936.09 and 55,476.56

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Solution

The fourth proportional to 96,320.28, 132,936.09 and 55,476.56 is: 76,565.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,320.28 : 132,936.09 = 55,476.56 : x
  2. Step 2: Convert to fraction form
    96,320.28/132,936.09 = 55,476.56/x
  3. Step 3: Cross multiply
    96,320.28x = 132,936.09 × 55,476.56
  4. Step 4: Simplify right side
    96,320.28x = 7,374,836,328.98
  5. Step 5: Solve for x
    x = 7,374,836,328.98/96,320.28
  6. Step 6: Final answer
    x = 76,565.77

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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.