Home / 76,624.34-114,839.18-34,459.38

Finding the Fourth Proportional to 76,624.34, 114,839.18 and 34,459.38

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Solution

The fourth proportional to 76,624.34, 114,839.18 and 34,459.38 is: 51,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,624.34 : 114,839.18 = 34,459.38 : x
  2. Step 2: Convert to fraction form
    76,624.34/114,839.18 = 34,459.38/x
  3. Step 3: Cross multiply
    76,624.34x = 114,839.18 × 34,459.38
  4. Step 4: Simplify right side
    76,624.34x = 3,957,286,942.51
  5. Step 5: Solve for x
    x = 3,957,286,942.51/76,624.34
  6. Step 6: Final answer
    x = 51,645.30

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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.