Home / 80,606.44-120,970.66-58,106.20

Finding the Fourth Proportional to 80,606.44, 120,970.66 and 58,106.20

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Solution

The fourth proportional to 80,606.44, 120,970.66 and 58,106.20 is: 87,203.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,606.44 : 120,970.66 = 58,106.20 : x
  2. Step 2: Convert to fraction form
    80,606.44/120,970.66 = 58,106.20/x
  3. Step 3: Cross multiply
    80,606.44x = 120,970.66 × 58,106.20
  4. Step 4: Simplify right side
    80,606.44x = 7,029,145,364.09
  5. Step 5: Solve for x
    x = 7,029,145,364.09/80,606.44
  6. Step 6: Final answer
    x = 87,203.27

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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.