Home / 77,789.90-116,703.39-25,199.30

Finding the Fourth Proportional to 77,789.90, 116,703.39 and 25,199.30

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Solution

The fourth proportional to 77,789.90, 116,703.39 and 25,199.30 is: 37,804.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,789.90 : 116,703.39 = 25,199.30 : x
  2. Step 2: Convert to fraction form
    77,789.90/116,703.39 = 25,199.30/x
  3. Step 3: Cross multiply
    77,789.90x = 116,703.39 × 25,199.30
  4. Step 4: Simplify right side
    77,789.90x = 2,940,843,735.63
  5. Step 5: Solve for x
    x = 2,940,843,735.63/77,789.90
  6. Step 6: Final answer
    x = 37,804.96

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1.5x scale

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.