Home / 80,867.63-111,592.49-45,051.26

Finding the Fourth Proportional to 80,867.63, 111,592.49 and 45,051.26

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Solution

The fourth proportional to 80,867.63, 111,592.49 and 45,051.26 is: 62,168.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,867.63 : 111,592.49 = 45,051.26 : x
  2. Step 2: Convert to fraction form
    80,867.63/111,592.49 = 45,051.26/x
  3. Step 3: Cross multiply
    80,867.63x = 111,592.49 × 45,051.26
  4. Step 4: Simplify right side
    80,867.63x = 5,027,381,497.82
  5. Step 5: Solve for x
    x = 5,027,381,497.82/80,867.63
  6. Step 6: Final answer
    x = 62,168.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.