Home / 51,509.32-77,293.20-27,816.60

Finding the Fourth Proportional to 51,509.32, 77,293.20 and 27,816.60

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Solution

The fourth proportional to 51,509.32, 77,293.20 and 27,816.60 is: 41,740.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,509.32 : 77,293.20 = 27,816.60 : x
  2. Step 2: Convert to fraction form
    51,509.32/77,293.20 = 27,816.60/x
  3. Step 3: Cross multiply
    51,509.32x = 77,293.20 × 27,816.60
  4. Step 4: Simplify right side
    51,509.32x = 2,150,034,027.12
  5. Step 5: Solve for x
    x = 2,150,034,027.12/51,509.32
  6. Step 6: Final answer
    x = 41,740.68

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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.