Home / 80,112.74-120,063.96-58,953.72

Finding the Fourth Proportional to 80,112.74, 120,063.96 and 58,953.72

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Solution

The fourth proportional to 80,112.74, 120,063.96 and 58,953.72 is: 88,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,112.74 : 120,063.96 = 58,953.72 : x
  2. Step 2: Convert to fraction form
    80,112.74/120,063.96 = 58,953.72/x
  3. Step 3: Cross multiply
    80,112.74x = 120,063.96 × 58,953.72
  4. Step 4: Simplify right side
    80,112.74x = 7,078,217,079.93
  5. Step 5: Solve for x
    x = 7,078,217,079.93/80,112.74
  6. Step 6: Final answer
    x = 88,353.20

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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.