Home / 55,032.21-82,697.76-28,756.62

Finding the Fourth Proportional to 55,032.21, 82,697.76 and 28,756.62

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Solution

The fourth proportional to 55,032.21, 82,697.76 and 28,756.62 is: 43,213.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,032.21 : 82,697.76 = 28,756.62 : x
  2. Step 2: Convert to fraction form
    55,032.21/82,697.76 = 28,756.62/x
  3. Step 3: Cross multiply
    55,032.21x = 82,697.76 × 28,756.62
  4. Step 4: Simplify right side
    55,032.21x = 2,378,108,059.17
  5. Step 5: Solve for x
    x = 2,378,108,059.17/55,032.21
  6. Step 6: Final answer
    x = 43,213.02

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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.