Home / 53,406.35-80,157.67-28,467.17

Finding the Fourth Proportional to 53,406.35, 80,157.67 and 28,467.17

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Solution

The fourth proportional to 53,406.35, 80,157.67 and 28,467.17 is: 42,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,406.35 : 80,157.67 = 28,467.17 : x
  2. Step 2: Convert to fraction form
    53,406.35/80,157.67 = 28,467.17/x
  3. Step 3: Cross multiply
    53,406.35x = 80,157.67 × 28,467.17
  4. Step 4: Simplify right side
    53,406.35x = 2,281,861,546.74
  5. Step 5: Solve for x
    x = 2,281,861,546.74/53,406.35
  6. Step 6: Final answer
    x = 42,726.41

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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.