Home / 55,132.32-76,083.12-32,772

Finding the Fourth Proportional to 55,132.32, 76,083.12 and 32,772

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Solution

The fourth proportional to 55,132.32, 76,083.12 and 32,772 is: 45,225.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,132.32 : 76,083.12 = 32,772 : x
  2. Step 2: Convert to fraction form
    55,132.32/76,083.12 = 32,772/x
  3. Step 3: Cross multiply
    55,132.32x = 76,083.12 × 32,772
  4. Step 4: Simplify right side
    55,132.32x = 2,493,396,008.64
  5. Step 5: Solve for x
    x = 2,493,396,008.64/55,132.32
  6. Step 6: Final answer
    x = 45,225.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.