Home / 96,426.26-133,066.78-53,986.31

Finding the Fourth Proportional to 96,426.26, 133,066.78 and 53,986.31

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Solution

The fourth proportional to 96,426.26, 133,066.78 and 53,986.31 is: 74,500.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,426.26 : 133,066.78 = 53,986.31 : x
  2. Step 2: Convert to fraction form
    96,426.26/133,066.78 = 53,986.31/x
  3. Step 3: Cross multiply
    96,426.26x = 133,066.78 × 53,986.31
  4. Step 4: Simplify right side
    96,426.26x = 7,183,784,435.78
  5. Step 5: Solve for x
    x = 7,183,784,435.78/96,426.26
  6. Step 6: Final answer
    x = 74,500.29

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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.