Home / 76,439.73-114,679.40-29,055.63

Finding the Fourth Proportional to 76,439.73, 114,679.40 and 29,055.63

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Solution

The fourth proportional to 76,439.73, 114,679.40 and 29,055.63 is: 43,590.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,439.73 : 114,679.40 = 29,055.63 : x
  2. Step 2: Convert to fraction form
    76,439.73/114,679.40 = 29,055.63/x
  3. Step 3: Cross multiply
    76,439.73x = 114,679.40 × 29,055.63
  4. Step 4: Simplify right side
    76,439.73x = 3,332,082,069.74
  5. Step 5: Solve for x
    x = 3,332,082,069.74/76,439.73
  6. Step 6: Final answer
    x = 43,590.97

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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.