Home / 92,628.72-138,994.56-45,244.35

Finding the Fourth Proportional to 92,628.72, 138,994.56 and 45,244.35

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Solution

The fourth proportional to 92,628.72, 138,994.56 and 45,244.35 is: 67,891.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,628.72 : 138,994.56 = 45,244.35 : x
  2. Step 2: Convert to fraction form
    92,628.72/138,994.56 = 45,244.35/x
  3. Step 3: Cross multiply
    92,628.72x = 138,994.56 × 45,244.35
  4. Step 4: Simplify right side
    92,628.72x = 6,288,718,520.74
  5. Step 5: Solve for x
    x = 6,288,718,520.74/92,628.72
  6. Step 6: Final answer
    x = 67,891.67

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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.