Home / 80,940.58-121,425.48-36,588.22

Finding the Fourth Proportional to 80,940.58, 121,425.48 and 36,588.22

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Solution

The fourth proportional to 80,940.58, 121,425.48 and 36,588.22 is: 54,888.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,940.58 : 121,425.48 = 36,588.22 : x
  2. Step 2: Convert to fraction form
    80,940.58/121,425.48 = 36,588.22/x
  3. Step 3: Cross multiply
    80,940.58x = 121,425.48 × 36,588.22
  4. Step 4: Simplify right side
    80,940.58x = 4,442,742,175.85
  5. Step 5: Solve for x
    x = 4,442,742,175.85/80,940.58
  6. Step 6: Final answer
    x = 54,888.93

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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.