Home / 76,436.28-114,618.78-29,060.19

Finding the Fourth Proportional to 76,436.28, 114,618.78 and 29,060.19

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Solution

The fourth proportional to 76,436.28, 114,618.78 and 29,060.19 is: 43,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,436.28 : 114,618.78 = 29,060.19 : x
  2. Step 2: Convert to fraction form
    76,436.28/114,618.78 = 29,060.19/x
  3. Step 3: Cross multiply
    76,436.28x = 114,618.78 × 29,060.19
  4. Step 4: Simplify right side
    76,436.28x = 3,330,843,524.37
  5. Step 5: Solve for x
    x = 3,330,843,524.37/76,436.28
  6. Step 6: Final answer
    x = 43,576.74

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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.