Home / 83,977.41-125,670.15-52,402.34

Finding the Fourth Proportional to 83,977.41, 125,670.15 and 52,402.34

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Solution

The fourth proportional to 83,977.41, 125,670.15 and 52,402.34 is: 78,418.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,977.41 : 125,670.15 = 52,402.34 : x
  2. Step 2: Convert to fraction form
    83,977.41/125,670.15 = 52,402.34/x
  3. Step 3: Cross multiply
    83,977.41x = 125,670.15 × 52,402.34
  4. Step 4: Simplify right side
    83,977.41x = 6,585,410,021.25
  5. Step 5: Solve for x
    x = 6,585,410,021.25/83,977.41
  6. Step 6: Final answer
    x = 78,418.83

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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.