Home / 76,396.78-114,615.54-26,476.83

Finding the Fourth Proportional to 76,396.78, 114,615.54 and 26,476.83

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Solution

The fourth proportional to 76,396.78, 114,615.54 and 26,476.83 is: 39,722.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,396.78 : 114,615.54 = 26,476.83 : x
  2. Step 2: Convert to fraction form
    76,396.78/114,615.54 = 26,476.83/x
  3. Step 3: Cross multiply
    76,396.78x = 114,615.54 × 26,476.83
  4. Step 4: Simplify right side
    76,396.78x = 3,034,656,360.23
  5. Step 5: Solve for x
    x = 3,034,656,360.23/76,396.78
  6. Step 6: Final answer
    x = 39,722.31

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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.