Home / 83,797.20-125,588.88-39,325.77

Finding the Fourth Proportional to 83,797.20, 125,588.88 and 39,325.77

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Solution

The fourth proportional to 83,797.20, 125,588.88 and 39,325.77 is: 58,938.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,797.20 : 125,588.88 = 39,325.77 : x
  2. Step 2: Convert to fraction form
    83,797.20/125,588.88 = 39,325.77/x
  3. Step 3: Cross multiply
    83,797.20x = 125,588.88 × 39,325.77
  4. Step 4: Simplify right side
    83,797.20x = 4,938,879,409.44
  5. Step 5: Solve for x
    x = 4,938,879,409.44/83,797.20
  6. Step 6: Final answer
    x = 58,938.48

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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.