Home / 92,200.75-138,333.93-45,486.43

Finding the Fourth Proportional to 92,200.75, 138,333.93 and 45,486.43

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Solution

The fourth proportional to 92,200.75, 138,333.93 and 45,486.43 is: 68,245.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,200.75 : 138,333.93 = 45,486.43 : x
  2. Step 2: Convert to fraction form
    92,200.75/138,333.93 = 45,486.43/x
  3. Step 3: Cross multiply
    92,200.75x = 138,333.93 × 45,486.43
  4. Step 4: Simplify right side
    92,200.75x = 6,292,316,623.57
  5. Step 5: Solve for x
    x = 6,292,316,623.57/92,200.75
  6. Step 6: Final answer
    x = 68,245.83

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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.