Home / 76,066.38-113,902.74-67,602.96

Finding the Fourth Proportional to 76,066.38, 113,902.74 and 67,602.96

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Solution

The fourth proportional to 76,066.38, 113,902.74 and 67,602.96 is: 101,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,066.38 : 113,902.74 = 67,602.96 : x
  2. Step 2: Convert to fraction form
    76,066.38/113,902.74 = 67,602.96/x
  3. Step 3: Cross multiply
    76,066.38x = 113,902.74 × 67,602.96
  4. Step 4: Simplify right side
    76,066.38x = 7,700,162,376.11
  5. Step 5: Solve for x
    x = 7,700,162,376.11/76,066.38
  6. Step 6: Final answer
    x = 101,229.51

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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.