Home / 76,129.36-114,204.96-23,542.92

Finding the Fourth Proportional to 76,129.36, 114,204.96 and 23,542.92

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Solution

The fourth proportional to 76,129.36, 114,204.96 and 23,542.92 is: 35,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,129.36 : 114,204.96 = 23,542.92 : x
  2. Step 2: Convert to fraction form
    76,129.36/114,204.96 = 23,542.92/x
  3. Step 3: Cross multiply
    76,129.36x = 114,204.96 × 23,542.92
  4. Step 4: Simplify right side
    76,129.36x = 2,688,718,236.88
  5. Step 5: Solve for x
    x = 2,688,718,236.88/76,129.36
  6. Step 6: Final answer
    x = 35,317.76

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1.5x scale

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.