Home / 76,230.76-114,346.14-34,689.64

Finding the Fourth Proportional to 76,230.76, 114,346.14 and 34,689.64

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Solution

The fourth proportional to 76,230.76, 114,346.14 and 34,689.64 is: 52,034.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,230.76 : 114,346.14 = 34,689.64 : x
  2. Step 2: Convert to fraction form
    76,230.76/114,346.14 = 34,689.64/x
  3. Step 3: Cross multiply
    76,230.76x = 114,346.14 × 34,689.64
  4. Step 4: Simplify right side
    76,230.76x = 3,966,626,431.99
  5. Step 5: Solve for x
    x = 3,966,626,431.99/76,230.76
  6. Step 6: Final answer
    x = 52,034.46

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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.