Home / 116,930.95-161,390.52-76,023.88

Finding the Fourth Proportional to 116,930.95, 161,390.52 and 76,023.88

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Solution

The fourth proportional to 116,930.95, 161,390.52 and 76,023.88 is: 104,929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,930.95 : 161,390.52 = 76,023.88 : x
  2. Step 2: Convert to fraction form
    116,930.95/161,390.52 = 76,023.88/x
  3. Step 3: Cross multiply
    116,930.95x = 161,390.52 × 76,023.88
  4. Step 4: Simplify right side
    116,930.95x = 12,269,533,525.62
  5. Step 5: Solve for x
    x = 12,269,533,525.62/116,930.95
  6. Step 6: Final answer
    x = 104,929.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.