Home / 116,067.60-160,207.37-75,787.40

Finding the Fourth Proportional to 116,067.60, 160,207.37 and 75,787.40

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Solution

The fourth proportional to 116,067.60, 160,207.37 and 75,787.40 is: 104,608.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,067.60 : 160,207.37 = 75,787.40 : x
  2. Step 2: Convert to fraction form
    116,067.60/160,207.37 = 75,787.40/x
  3. Step 3: Cross multiply
    116,067.60x = 160,207.37 × 75,787.40
  4. Step 4: Simplify right side
    116,067.60x = 12,141,699,437.76
  5. Step 5: Solve for x
    x = 12,141,699,437.76/116,067.60
  6. Step 6: Final answer
    x = 104,608.86

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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.