Home / 76,129.29-114,204.87-23,542.88

Finding the Fourth Proportional to 76,129.29, 114,204.87 and 23,542.88

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Solution

The fourth proportional to 76,129.29, 114,204.87 and 23,542.88 is: 35,317.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,129.29 : 114,204.87 = 23,542.88 : x
  2. Step 2: Convert to fraction form
    76,129.29/114,204.87 = 23,542.88/x
  3. Step 3: Cross multiply
    76,129.29x = 114,204.87 × 23,542.88
  4. Step 4: Simplify right side
    76,129.29x = 2,688,710,978.80
  5. Step 5: Solve for x
    x = 2,688,710,978.80/76,129.29
  6. Step 6: Final answer
    x = 35,317.69

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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.