Home / 76,836.09-115,250.09-23,528.15

Finding the Fourth Proportional to 76,836.09, 115,250.09 and 23,528.15

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Solution

The fourth proportional to 76,836.09, 115,250.09 and 23,528.15 is: 35,290.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,836.09 : 115,250.09 = 23,528.15 : x
  2. Step 2: Convert to fraction form
    76,836.09/115,250.09 = 23,528.15/x
  3. Step 3: Cross multiply
    76,836.09x = 115,250.09 × 23,528.15
  4. Step 4: Simplify right side
    76,836.09x = 2,711,620,711.14
  5. Step 5: Solve for x
    x = 2,711,620,711.14/76,836.09
  6. Step 6: Final answer
    x = 35,290.98

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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.