Home / 62,355.15-86,078.41-39,725.17

Finding the Fourth Proportional to 62,355.15, 86,078.41 and 39,725.17

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Solution

The fourth proportional to 62,355.15, 86,078.41 and 39,725.17 is: 54,838.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,355.15 : 86,078.41 = 39,725.17 : x
  2. Step 2: Convert to fraction form
    62,355.15/86,078.41 = 39,725.17/x
  3. Step 3: Cross multiply
    62,355.15x = 86,078.41 × 39,725.17
  4. Step 4: Simplify right side
    62,355.15x = 3,419,479,156.07
  5. Step 5: Solve for x
    x = 3,419,479,156.07/62,355.15
  6. Step 6: Final answer
    x = 54,838.76

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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.