Home / 47,610.96-71,406.20-30,057.36

Finding the Fourth Proportional to 47,610.96, 71,406.20 and 30,057.36

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Solution

The fourth proportional to 47,610.96, 71,406.20 and 30,057.36 is: 45,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,610.96 : 71,406.20 = 30,057.36 : x
  2. Step 2: Convert to fraction form
    47,610.96/71,406.20 = 30,057.36/x
  3. Step 3: Cross multiply
    47,610.96x = 71,406.20 × 30,057.36
  4. Step 4: Simplify right side
    47,610.96x = 2,146,281,859.63
  5. Step 5: Solve for x
    x = 2,146,281,859.63/47,610.96
  6. Step 6: Final answer
    x = 45,079.58

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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.