Home / 77,912.48-116,842.16-25,308.96

Finding the Fourth Proportional to 77,912.48, 116,842.16 and 25,308.96

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Solution

The fourth proportional to 77,912.48, 116,842.16 and 25,308.96 is: 37,954.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,912.48 : 116,842.16 = 25,308.96 : x
  2. Step 2: Convert to fraction form
    77,912.48/116,842.16 = 25,308.96/x
  3. Step 3: Cross multiply
    77,912.48x = 116,842.16 × 25,308.96
  4. Step 4: Simplify right side
    77,912.48x = 2,957,153,553.75
  5. Step 5: Solve for x
    x = 2,957,153,553.75/77,912.48
  6. Step 6: Final answer
    x = 37,954.81

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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.