Home / 77,406.96-116,149.36-57,725.04

Finding the Fourth Proportional to 77,406.96, 116,149.36 and 57,725.04

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Solution

The fourth proportional to 77,406.96, 116,149.36 and 57,725.04 is: 86,616.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,406.96 : 116,149.36 = 57,725.04 : x
  2. Step 2: Convert to fraction form
    77,406.96/116,149.36 = 57,725.04/x
  3. Step 3: Cross multiply
    77,406.96x = 116,149.36 × 57,725.04
  4. Step 4: Simplify right side
    77,406.96x = 6,704,726,451.97
  5. Step 5: Solve for x
    x = 6,704,726,451.97/77,406.96
  6. Step 6: Final answer
    x = 86,616.58

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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.