Home / 83,991.40-125,957.76-24,811.36

Finding the Fourth Proportional to 83,991.40, 125,957.76 and 24,811.36

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Solution

The fourth proportional to 83,991.40, 125,957.76 and 24,811.36 is: 37,208.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,991.40 : 125,957.76 = 24,811.36 : x
  2. Step 2: Convert to fraction form
    83,991.40/125,957.76 = 24,811.36/x
  3. Step 3: Cross multiply
    83,991.40x = 125,957.76 × 24,811.36
  4. Step 4: Simplify right side
    83,991.40x = 3,125,183,328.15
  5. Step 5: Solve for x
    x = 3,125,183,328.15/83,991.40
  6. Step 6: Final answer
    x = 37,208.37

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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.