Home / 76,094.76-114,163.20-31,742.40

Finding the Fourth Proportional to 76,094.76, 114,163.20 and 31,742.40

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Solution

The fourth proportional to 76,094.76, 114,163.20 and 31,742.40 is: 47,622.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,094.76 : 114,163.20 = 31,742.40 : x
  2. Step 2: Convert to fraction form
    76,094.76/114,163.20 = 31,742.40/x
  3. Step 3: Cross multiply
    76,094.76x = 114,163.20 × 31,742.40
  4. Step 4: Simplify right side
    76,094.76x = 3,623,813,959.68
  5. Step 5: Solve for x
    x = 3,623,813,959.68/76,094.76
  6. Step 6: Final answer
    x = 47,622.39

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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.