Home / 76,380.54-114,548.76-26,458.62

Finding the Fourth Proportional to 76,380.54, 114,548.76 and 26,458.62

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Solution

The fourth proportional to 76,380.54, 114,548.76 and 26,458.62 is: 39,680.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,380.54 : 114,548.76 = 26,458.62 : x
  2. Step 2: Convert to fraction form
    76,380.54/114,548.76 = 26,458.62/x
  3. Step 3: Cross multiply
    76,380.54x = 114,548.76 × 26,458.62
  4. Step 4: Simplify right side
    76,380.54x = 3,030,802,112.31
  5. Step 5: Solve for x
    x = 3,030,802,112.31/76,380.54
  6. Step 6: Final answer
    x = 39,680.29

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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.