Home / 77,921.28-116,926.56-32,939.04

Finding the Fourth Proportional to 77,921.28, 116,926.56 and 32,939.04

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Solution

The fourth proportional to 77,921.28, 116,926.56 and 32,939.04 is: 49,427.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,921.28 : 116,926.56 = 32,939.04 : x
  2. Step 2: Convert to fraction form
    77,921.28/116,926.56 = 32,939.04/x
  3. Step 3: Cross multiply
    77,921.28x = 116,926.56 × 32,939.04
  4. Step 4: Simplify right side
    77,921.28x = 3,851,448,636.90
  5. Step 5: Solve for x
    x = 3,851,448,636.90/77,921.28
  6. Step 6: Final answer
    x = 49,427.43

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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.