Home / 76,568.76-114,853.14-23,978.52

Finding the Fourth Proportional to 76,568.76, 114,853.14 and 23,978.52

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Solution

The fourth proportional to 76,568.76, 114,853.14 and 23,978.52 is: 35,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,568.76 : 114,853.14 = 23,978.52 : x
  2. Step 2: Convert to fraction form
    76,568.76/114,853.14 = 23,978.52/x
  3. Step 3: Cross multiply
    76,568.76x = 114,853.14 × 23,978.52
  4. Step 4: Simplify right side
    76,568.76x = 2,754,008,314.55
  5. Step 5: Solve for x
    x = 2,754,008,314.55/76,568.76
  6. Step 6: Final answer
    x = 35,967.78

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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.