Home / 53,726.64-80,639.24-28,794.84

Finding the Fourth Proportional to 53,726.64, 80,639.24 and 28,794.84

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Solution

The fourth proportional to 53,726.64, 80,639.24 and 28,794.84 is: 43,218.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,726.64 : 80,639.24 = 28,794.84 : x
  2. Step 2: Convert to fraction form
    53,726.64/80,639.24 = 28,794.84/x
  3. Step 3: Cross multiply
    53,726.64x = 80,639.24 × 28,794.84
  4. Step 4: Simplify right side
    53,726.64x = 2,321,993,869.55
  5. Step 5: Solve for x
    x = 2,321,993,869.55/53,726.64
  6. Step 6: Final answer
    x = 43,218.67

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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.