Home / 55,023.12-82,365.36-35,320.56

Finding the Fourth Proportional to 55,023.12, 82,365.36 and 35,320.56

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Solution

The fourth proportional to 55,023.12, 82,365.36 and 35,320.56 is: 52,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,023.12 : 82,365.36 = 35,320.56 : x
  2. Step 2: Convert to fraction form
    55,023.12/82,365.36 = 35,320.56/x
  3. Step 3: Cross multiply
    55,023.12x = 82,365.36 × 35,320.56
  4. Step 4: Simplify right side
    55,023.12x = 2,909,190,639.80
  5. Step 5: Solve for x
    x = 2,909,190,639.80/55,023.12
  6. Step 6: Final answer
    x = 52,872.15

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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.