Home / 77,996.60-117,007.12-33,635.96

Finding the Fourth Proportional to 77,996.60, 117,007.12 and 33,635.96

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Solution

The fourth proportional to 77,996.60, 117,007.12 and 33,635.96 is: 50,459.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,996.60 : 117,007.12 = 33,635.96 : x
  2. Step 2: Convert to fraction form
    77,996.60/117,007.12 = 33,635.96/x
  3. Step 3: Cross multiply
    77,996.60x = 117,007.12 × 33,635.96
  4. Step 4: Simplify right side
    77,996.60x = 3,935,646,808.04
  5. Step 5: Solve for x
    x = 3,935,646,808.04/77,996.60
  6. Step 6: Final answer
    x = 50,459.21

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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.