Home / 92,553.35-138,812.46-45,120.74

Finding the Fourth Proportional to 92,553.35, 138,812.46 and 45,120.74

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Solution

The fourth proportional to 92,553.35, 138,812.46 and 45,120.74 is: 67,672.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,553.35 : 138,812.46 = 45,120.74 : x
  2. Step 2: Convert to fraction form
    92,553.35/138,812.46 = 45,120.74/x
  3. Step 3: Cross multiply
    92,553.35x = 138,812.46 × 45,120.74
  4. Step 4: Simplify right side
    92,553.35x = 6,263,320,222.36
  5. Step 5: Solve for x
    x = 6,263,320,222.36/92,553.35
  6. Step 6: Final answer
    x = 67,672.54

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1.5x scale

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.