Home / 55,346.35-83,080.99-28,685.20

Finding the Fourth Proportional to 55,346.35, 83,080.99 and 28,685.20

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Solution

The fourth proportional to 55,346.35, 83,080.99 and 28,685.20 is: 43,059.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,346.35 : 83,080.99 = 28,685.20 : x
  2. Step 2: Convert to fraction form
    55,346.35/83,080.99 = 28,685.20/x
  3. Step 3: Cross multiply
    55,346.35x = 83,080.99 × 28,685.20
  4. Step 4: Simplify right side
    55,346.35x = 2,383,194,670.92
  5. Step 5: Solve for x
    x = 2,383,194,670.92/55,346.35
  6. Step 6: Final answer
    x = 43,059.65

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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.