Home / 120,590.76-166,403.24-69,619.94

Finding the Fourth Proportional to 120,590.76, 166,403.24 and 69,619.94

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Solution

The fourth proportional to 120,590.76, 166,403.24 and 69,619.94 is: 96,068.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,590.76 : 166,403.24 = 69,619.94 : x
  2. Step 2: Convert to fraction form
    120,590.76/166,403.24 = 69,619.94/x
  3. Step 3: Cross multiply
    120,590.76x = 166,403.24 × 69,619.94
  4. Step 4: Simplify right side
    120,590.76x = 11,584,983,289.58
  5. Step 5: Solve for x
    x = 11,584,983,289.58/120,590.76
  6. Step 6: Final answer
    x = 96,068.58

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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.