Home / 83,946.59-125,919.75-57,571.37

Finding the Fourth Proportional to 83,946.59, 125,919.75 and 57,571.37

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Solution

The fourth proportional to 83,946.59, 125,919.75 and 57,571.37 is: 86,356.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,946.59 : 125,919.75 = 57,571.37 : x
  2. Step 2: Convert to fraction form
    83,946.59/125,919.75 = 57,571.37/x
  3. Step 3: Cross multiply
    83,946.59x = 125,919.75 × 57,571.37
  4. Step 4: Simplify right side
    83,946.59x = 7,249,372,517.56
  5. Step 5: Solve for x
    x = 7,249,372,517.56/83,946.59
  6. Step 6: Final answer
    x = 86,356.96

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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.